Dahua VTA2302A Emergency Call Terminal Quick Start Guide V1.0.2

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Parameter Description

BLC: Backlight compensation corrects areas with extremely high

or low levels of light to maintain a normal and usable level of light

for the object in focus.

WDR: The system dims bright areas and compensates dark areas

to ensure the clarity of all areas

according to the lighting

conditions.

HLC: The system constrains bright areas and reduces halo size to

dim the overall brightness.

Video Standard

Select PAL or NTSC as needed.

PAL: The frame rate is 25 fps by default.

NTSC: The frame rate is 30 fps by default.

Microphone

Volume/Speaker Volume

Adjusts the volume of the microphone or speaker.

3.4.3 System Settings

You can set the time zone, system time, DST type and NTP timing.

Select Local Setting > System on the web page.

Configure parameters.

System settings

Table 3-2 System settings parameters

Parameter Description

Date Format

Select the display format of the date from YYYY-MM-DD, MM-DD-YYYY

and DD-MM-YYYY.

Time Format

Select the time format from 24-Hour and 12-Hour.

Time Zone Select the local time zone.

System Time

Set the system time manually.

Click Sync PC to synchronize the system time with the PC time.

DST setting

Select the ON checkbox to enable DST.

1. Select Date or Week as the DST Type.

Set the Start Time and End Time.

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Dahua VTA2302A Emergency Call Terminal