User guide
AC-2100 User Guide    19 
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 
After checking the setting value, press [ENT] button to continue setting. 
To move to the upper menu during setting, press [ESC] button. 
In case that the [←][↑][↓][→] buttons are the only buttons displayed 
( [ESC] and [ENT] buttons are not displayed ), pressing down [F1] button for 
longer than 2 seconds replaces [ESC] button function while pressing down [F4] 
button for longer than 2 seconds replaces [ENT] button. 
3.1.3. Saving after Completion of Environment Setting 
To save the modified setting values, press [ESC] button in the main menu 
screen. Then, the following screen is displayed. 
Save? 
1.Yes 
2.NO 
[ESC] [↑] [↓][ENT] 
 After selecting [1.Yes] to save the modified 
setting values or [2. No] to cancel them, 
press [ENT] button. 
¾  If no modification was made, the system leaves from the environment 
setting menu without the above “Save?” process. 
¾  If there is no input value for a certain period of time during environment 
setting change, the system leaves from the environment setting menu. If a 
modification was made in such a case, “Save?” process shows up. If no 
modification was made, the system moves directly to the default screen. 
3.1.4. Procedures to Enter Menu without Administrator Authentication 
In case fingerprint authentication cannot be made because administrator 
password or card registered in the terminal is lost or no administrator is available, 
use the following procedures to enter the menu. 
① Open the terminal cover. 
② While the cover is open, set No. 4 dip switch of the board to the ON state. 
③ Press down [F2] button for longer than 2 seconds to enter the menu. If you 
press [F4] button at the administrator authentication screen, “ppiririck” 
buzzer sound is heard and the system enters a selected menu. 
¾  After the completion of setting value modification, be sure to set No. 4 










