User guide
AC-2100 User Guide    44 
UNIONCOMMUNITY Co., Ltd. / 3F Hyundai Topix Bldg. 44-3 Bangi-dong Songpa-gu   
Seoul, Korea (138-050) 
Tel : 02-6488-3000 , Fax : 02-6488-3099, E-Mail :sales@unioncomm.co.kr 
http://www.unioncomm.co.kr 
Press [ENT] button to continue setting. 
3.5.5.2. LCD Brightness Setting 
<LCD Light Ctrl> 
0.Low 
1.Medium 
2.High 
[ESC][↑][↓][ENT] 
  Default setting: ‘1’ 
This option sets the brightness of the terminal LCD light. Select ‘0’ for dim light 
and ‘2’ for bright light. 
After selecting a setting value, press [ENT] button to move to the upper menu. 
3.5.6. Current Time Setting 
If “3.Option” is selected at the main menu, the following screen is displayed. 
1. Application 
2. Verify Option 
3. Set Doorlock 
4. Sound Control 
5. LCD Setting 
6. Time Setting 
[ESC][↑][↓][ENT] 
  Select [6] to set the current time. 
◆ At default screen [F2~] Æ [3.Option] Æ [6.Time Setting] ◆ 
<Time Setting> 
20090801211806 
[←] [↑] [↓] [→] 
The current time of the terminal is displayed and the time in the above example 
shows 2009:year, 08:month, 01:day, 21:hour, 18:minute, 06:second. To make 
time change, move to a desired position by pressing [←][→] button and 
increase/decrease the value by pressing [↑][↓] button. 
If [F4] button is pressed down for a longer period of time, the current time of 
the terminal is changed and the system moves to the upper menu. To cancel 
the input, press down [F1] button for a longer period of time to leave from the 










