User guide
VIRDI AC 1000 User Guide    45 
UNION COMMUNITY CO.,LTd.   
3Fl. Hyundai Topics Bldg, 44-3 Bangi-dong, Songpa-gu, Seoul, Korea 138-050,   
Tel: 82-2-6488-3000, Fax: 82-2-6488-3099, E-Mail:sales@unioncomm.co.kr, 
4.1.3. Password authentication 
If the user ID is “0001”, enter “0001” and press the function key. You will hear a 
beeping sound and the terminal waits for the user password to be input. Enter 
the password and press [ENT], and the authentication result appears on the 
LCD. 
07/08/25 PM 4:58 
If the user ID is ‘0001’, enter ‘0001’ and press the 
function key. 
▼ 
07/08/25 PM 4:58 
You will hear a beeping sound and the terminal waits 
for the user password to be input. Enter the 
password and press [ENT]. 
(The password is displayed as ‘*’ on the LCD screen, 
rather than the actual numbers.) 
▼ 
07/08/25 PM 4:58 
If authentication is successful, you will see a success 
message on the LCD together with the voice 
message “You are authorized”. The door open icon 
and the card icon turn on LCD.   
The default screen appears after 1~2 sec., and the 
door is closed when the door open setting time has 
elapsed. 
※  Error message: An error message appears together with the voice message 
“Please try again”. 
. 
07/08/25 PM 4:58 
Password authentication failed. 
07/08/25 PM 4:58 
Non-registered user ID entered. 
07/08/25 PM 4:58 
During the authentication request to the 
authentication server, network trouble occurred or 
the line is disconnected. 
http://www.unioncomm.co.kr 










