# Range

## Function

This API is used to get parameter range for Channel > OSD page.

> Note:

> The Range provides reference information for client UI input limits and API request limits. When sending Get and Set requests, the parameters must be strictly limited according to the Range, otherwise the request may be rejected by the device.

## Request Message

None.

Sample:

    POST /API/ChannelConfig/OSD/Range HTTP/1.1

    {
    	"version": "1.0",
    	"data": {}
    }

## Response Message

### Parameter Description

#### Table 1

Parameter | Range | Type | Description
--- | --- | --- | ---
channel | “CH1”…”CH1x” “IP_CH1”…” IP_CH1x” “WIFI_CH1”…” WIFI_CH1x” The number of channels depends on the capabilities of the device. | string array | Each array bit represents a channel with a string.

#### Table 2

Parameter | Range | Type | Description
--- | --- | --- | ---
channel_info |  | JSON Object | Channel Information JSON show as follow Table 3

#### Table 3

Parameter | Range | Type | Description
--- | --- | --- | ---
CH1 |  | Json Object | JSON show as follow Table 4
… |  | Json Object |
IP_CH1 |  | Json Object |
… |  | Json Object |
WIFI_CH1 |  | Json Object |
… |  | Json Object |

#### Table 4

Parameter | Range | Type | Description
--- | --- | --- | ---
status | "Offline", "Online" | string | Channel online status, only for digital channels. Note: This field does not exist when the channel is online.
name |  | JSON Object | JSON show as follow Table 5
datetime |  | JSON Object | JSON show as follow Table 6
alarm |  | JSON Object | JSON show as follow Table 7
covert |  | bool | Preview switch (NVR/DVR only)
refresh_rate | "50Hz", "60Hz" | string | Refresh frequency. Note: Analog channels are not supported.
alpha | 1-128 | int | OSD transparency Note: Analog channels are not supported.
camera_type | "AUTO" "AHD" "TVI" "CVI" | string | Image Type (dvr specific).
eq_level | "AUTO" "1(0~50m)" "2(50~150m)" "3(150~250m)" "4(250~350m)" "5(350~450m)" | string | EQ rating (dvr only).
opy_ch | "digit" "analog" "wifi" | string | Support channel replication logo (NVR, DVR special).
channel_enable |  | bool | Check whether the parameters of the current channel can be configured.
osd_invert |  | bool | OSD Reverse color switch.

#### Table 5

Parameter | Range | Type | Description
--- | --- | --- | ---
show |  | bool | OSD Specifies whether to display the channel name.
text | Max length: 31byte | string | OSD text (DVR/NVR/IPC).
pos |  | JSON array | JSON show as follow Table 8

#### Table 6

Parameter | Range | Type | Description
--- | --- | --- | ---
show |  | bool | Whether the video window displays a date.
date_format | "MM/DD/YYYY", "YYYY-MM-DD", "DD/MM/YYYY" | string | Date Format Note: Analog channels are not supported.
time_format | 24,12 | int | Time mode, unit: hour Note: Analog channel is not supported.
time |  | int | Current board time.
pos |  | JSON array | JSON show as follow Table 8

#### Table 7

Parameter | Range | Type | Description
--- | --- | --- | ---
show |  | bool | Alarm Pos Specifies whether to support mobile.
text | Max length: 31byte | string | Alarm OSD text. The maximum value of the IPC is 32 bytes.
pos |  | JSON array | JSON show as follow Table 8

#### Table 8

Parameter | Range | Type | Description
--- | --- | --- | ---
x | [0-704] | int | x Coordinate
y | [0-576] | int | y Coordinate

> Tips:

> The response message of the Range request may not contain all the fields in the above table, and the fields not included indicate that the device does not support this parameter configuration.

Sample:

    HTTP/1.1 200 OK
    Content-Type: application/json

    {
    	"result": "success",
    	"data": {
    		"default_timeout": 30000,
    		"channel_max": 16,
    		"channel_info": {
    			"type": "object",
    			"items": {
    				"CH1": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": false
    								},
    								"text": {
    									"type": "string",
    									"min_len": 1,
    									"max_len": 31,
    									"disable": false
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": false
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": false
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": false
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"alarm": {
    							"type": "object",
    							"items": {
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						},
    						"refresh_rate": {
    							"type": "string",
    							"items": [
    								"50Hz",
    								"60Hz"
    							]
    						},
    						"osd_invert": {
    							"type": "bool"
    						}
    					}
    				},
    				"CH2": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"text": {
    									"type": "string",
    									"min_len": 0,
    									"max_len": 31,
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": true
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						},
    						"refresh_rate": {
    							"type": "string",
    							"items": [
    								"50Hz",
    								"60Hz"
    							]
    						}
    					}
    				},
    				"CH3": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"text": {
    									"type": "string",
    									"min_len": 0,
    									"max_len": 31,
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": true
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						},
    						"refresh_rate": {
    							"type": "string",
    							"items": [
    								"50Hz",
    								"60Hz"
    							]
    						}
    					}
    				},
    				"CH4": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"text": {
    									"type": "string",
    									"min_len": 0,
    									"max_len": 31,
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": true
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						},
    						"refresh_rate": {
    							"type": "string",
    							"items": [
    								"50Hz",
    								"60Hz"
    							]
    						}
    					}
    				},
    				"CH5": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": false
    								},
    								"text": {
    									"type": "string",
    									"min_len": 1,
    									"max_len": 31,
    									"disable": false
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": false
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": false
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": false
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						}
    					}
    				},
    				"CH6": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"text": {
    									"type": "string",
    									"min_len": 0,
    									"max_len": 31,
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": true
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						},
    						"refresh_rate": {
    							"type": "string",
    							"items": [
    								"50Hz",
    								"60Hz"
    							]
    						}
    					}
    				},
    				"CH7": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"text": {
    									"type": "string",
    									"min_len": 0,
    									"max_len": 31,
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": true
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						},
    						"refresh_rate": {
    							"type": "string",
    							"items": [
    								"50Hz",
    								"60Hz"
    							]
    						}
    					}
    				},
    				"CH8": {
    					"type": "object",
    					"items": {
    						"status": {
    							"description": "Only offline channel has this variable.",
    							"type": "string",
    							"mode": "r",
    							"items": [
    								"Offline",
    								"Online"
    							]
    						},
    						"channel_enable": {
    							"type": "bool"
    						},
    						"name": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": true
    								},
    								"text": {
    									"type": "string",
    									"min_len": 0,
    									"max_len": 31,
    									"disable": true
    								},
    								"pos": {
    									"type": "object",
    									"items": {
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    									"type": "bool",
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    										"DD/MM/YYYY"
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    								"time_format": {
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    									"unit": "hour",
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    							"description": "Only offline channel has this variable.",
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    									"unit": "hour",
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    							"description": "Only offline channel has this variable.",
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    									"unit": "hour",
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    				"CH11": {
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    							"description": "Only offline channel has this variable.",
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    								"Online"
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    						"datetime": {
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    								"time_format": {
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    									"unit": "hour",
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    						"refresh_rate": {
    							"type": "string",
    							"items": [
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    								"60Hz"
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    				},
    				"CH12": {
    					"type": "object",
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    							"description": "Only offline channel has this variable.",
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    							"mode": "r",
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    								"Online"
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    									"unit": "hour",
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    				"CH13": {
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    							"description": "Only offline channel has this variable.",
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    							"mode": "r",
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    								"Online"
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    									"max_len": 31,
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    									"type": "bool",
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    									"unit": "hour",
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    							"description": "Only offline channel has this variable.",
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    								"Online"
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    						"datetime": {
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    							"description": "Only offline channel has this variable.",
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    								"Online"
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    											"max": 576
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    									"type": "bool",
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    									"unit": "hour",
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    								"60Hz"
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    					"type": "object",
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    							"description": "Only offline channel has this variable.",
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    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"datetime": {
    							"type": "object",
    							"items": {
    								"show": {
    									"type": "bool",
    									"disable": false
    								},
    								"date_format": {
    									"type": "string",
    									"items": [
    										"MM/DD/YYYY",
    										"YYYY-MM-DD",
    										"DD/MM/YYYY"
    									],
    									"disable": false
    								},
    								"time_format": {
    									"type": "int32",
    									"unit": "hour",
    									"items": [
    										24,
    										12
    									],
    									"disable": false
    								},
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"alarm": {
    							"type": "object",
    							"items": {
    								"pos": {
    									"type": "object",
    									"items": {
    										"x": {
    											"type": "int32",
    											"min": 0,
    											"max": 704
    										},
    										"y": {
    											"type": "int32",
    											"min": 0,
    											"max": 576
    										}
    									}
    								}
    							}
    						},
    						"covert": {
    							"type": "bool"
    						},
    						"refresh_rate": {
    							"type": "string",
    							"items": [
    								"50Hz",
    								"60Hz"
    							]
    						},
    						"osd_invert": {
    							"type": "bool"
    						},
    						"flickerless_switch": {
    							"type": "bool"
    						}
    					}
    				}
    			}
    		}
    	}
    }

## Error Code

See Response Messages Body and Common error_code for more information.