Local Basic Operation 240
Check the box and then select the corresponding audio file from the dropdown
list. System plays the audio file when the alarm occurs.
Refer to "4.17.1 File Manage" to add audio file first.
Select the check box to activate the buzzer when an alarm occurs.
Step 3 Click Apply to complete the settings.
4.8.7 Thermal Alarm
System supports thermal devices and receives the alarm signal from it. It can recognize the
alarm type, and then trigger the corresponding alarm actions.
The system supports fire alarm, temperature (temperature difference) and cold/hot alarm.
Fire alarm: System generates an alarm once it detects there is a fire. The alarm mode
includes Preset and Excluded zone.
Temperature (temperature difference)：System triggers an alarm once the temperature
difference between two positions is higher or below the specified threshold.
Clod/hot alarm: System triggers an alarm once the detected position temperature is higher
or below the specified threshold.
The connected channel shall support temperature test function.
This function is for some series products only. It supports enable/disable function only. Go
to the front-end device to set corresponding parameters.
Step 1 Select Main Menu > ALARM > THERMAL ALARM.
The THERMAL ALARM interface is displayed. See Figure 4-176.
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