LeeLen JB-304 User Manual page 19

5.2.3 Release gates/garages ...
Push button if the indoor phones are with the function.
5.2.4 Video surveillance
Push button and then the image in front of the camera will be displayed on the screen.
If there are two or more cameras, surveillance for different entrances is also available by a 2nd, 3rd, or 4th push. During
surveillance it is available to speak with somebody outside by pushing
5.2.5 Broadcast
Push button and then speak. People
5.2.6 Call other indoor phones
Keep pushing button for 2 seconds. The other indoor phones will ring.
5.2.7 Call transfer
Push button to ring the other indoor phones while at intercom status. If somebody answers, the
line will be transferred.
Functions of 5.2.5, 5.2.6 and 5.2.7 are available only if there are two or more indoor phones.
5.2.8 Adjust the image quality
Push button and then
M - +
Push MENU button, the screen will show CONTRAST,
BRIGHTNESS AND COLOR by turn, then push + and -
buttons to adjust their scales.
or
nearby the
2"
button to keep displaying longer in order to get more time for operation.
button and release the door by pushing
other indoor phones can hear.
17
button.