V-Tech G21 Manual - Manual (Page 3)

1.Parts and Functions
LCD Screen
Alarm Button
Microphone
Unlock Button
Call Button
LED Indicator
Handset
Speaker
Handset Line
Dimension:220(H) x 358(W) x 35(D)mm
Key functions:
Microphone Receives sound from the user.
LCD Screen Display the icon menu and images .Touch operation.
Alarm Button Flash when the guard unit receives alarm record.
LED Indicator
1. Red indicator flash first, green indicator flash later when power on.
2. Blue indicator ormally on when work in normal.
3. Blue indicator flash when in calling state.
4. Red indicator flash when in talking state.
Unlock Button Press to release the door for visitors during talking or monitoring.
Call Button Press to activate the intercom function page.
Handset Pick up to talk with the visitors or users
Speaker Output sound from the visitors or users
Handset Line Connect guard unit with handset