V-Tech G21 Manual - Manual (Page 4)

The Main menu is your starting point for using all
the applications on the guard unit. To open the
main menu page, touch the LCD screen anywhere
twice.
2.Specification
3.About Main Menu
Power supply: DC 14~30V
Power consumption: Standby 6W; Working status 13W
Working temperature: -10 0 C~55 0 C
Alarm record: 1000 pieces
Calls record: 600 pieces
Screen: 10 inch digital TFT LCD
Video signal: 1Vp-p, 75Ω, CCIR standard
Wiring: CAT5 cable
Dimension: 220(H) x 358(W) x 35(D)mm
Answer calls from door station
• Input "0000" on door station to call guard unit.
• The Guard Unit rings,and the red LED indicator flash, the vistors' image and the address of
the door station will be shown on screen.Note that the screen will be turned off in limited time
if nobody answers
• If the guard person answers the call ,talking with outdoor is available.
• During talking state,press "unlock" button to release the door.
• If the guard unit is busy,calling from door station is unavailable.
4.Operation Instructions