Range

Function

This API is used to get parameter range for System > General 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/SystemConfig/General/Range HTTP/1.1
{
    "version": "1.0",
    "data": {}
}

Response Message

Parameter Description

Table 1

ParameterRangeTypeDescription
device_nameMax length: 31 bytesstringDevice name
menu_timeouts0,30,60,120,300,600int32Menu auto lock Time,in seconds.
FisheyeOrAI"Fisheye"
"AI"
stringOnly for NVR. AI and Fisheye are mutually exclusive.
session_timeout5-1440int32Web session timeout time,in minutes.
preview_session_timeoutbooleanbooleanPreview/playback session timed out switch.
alarm_fullscreen_dev"All Related Device"
"HDMI-1"
"HDMI-2"
"HDMI-3"
"HDMI-4"
"None"
Note: The number of HDMI-x options depends on the actual number of output ports supported by the device.
string(Custom Feature)
Display device for alarm full-screen output.
All Related Device -- All relevant devices (default). When this option is selected, alarm full-screen will activate on all display devices that are previewing the channel. For example: The main screen will respond to all channels' alarm full-screen triggers Sub-screens will only respond to channels that are specifically configured to display on them
HDMI-1 ~ HDMI-4 -- All channels' alarm full-screen will only activate on the selected device. When a channel triggers alarm full-screen, the designated device will respond regardless of whether the channel is normally configured to display on it.
None -- Disables alarm full-screen functionality (no devices will respond to alarm full-screen triggers)
audio_settings0-100int32Speaker volume of consumer motherboards.

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": {
        "device_name": {
            "type": "string",
            "min_len": 1,
            "max_len": 31
        },
        "menu_timeouts": {
            "type": "int32",
            "unit": "second",
            "items": [
                0,
                30,
                60,
                120,
                300,
                600
            ]
        },
        "session_timeout": {
            "type": "int32",
            "min": 5,
            "max": 1440
        },
        "preview_session_timeout": {
            "type": "bool"
        }
        "alarm_fullscreen_dev": {
	    "type": "string",
	    "items": [
		"All Related Device",
		"HDMI-1",
		"HDMI-2",
		"HDMI-3",
		"HDMI-4",
		"None"
	    ]
	}
    }
}

Error Code

See Response Messages Body and Common error_code for more information.