12
12. Under the circumstances of an unanswered call from a visitor (e.g. you are away from home) the
icon C will appear on the screen. This icon is useful to remind you somebody has called.
Press any button momentarily to remove this icon.
13. In case the alkaline batteries in caller unit becomes run down, once the call button 1 or
button is pressed, the low battery indicator 3 will flash for 10 sec. Besides, the icon N ap-
pears on the screen of handset and an alarm will be heard, reminding you to replace with new
batteries in the respective caller unit. Press any button momentarily can stop the alarm but the
icon N still remains until new batteries are installed.
14. The temperature indication provides you with an idea about the ambient temperature where the
handset is located.
15. Whenever the buttons (except PTT button 14 ) on handset are pressed, a tone will be heard to
validate your entry.
16. Once the enviroment turns dark, the Call button 1 on caller unit as well as door code entry
keypad 2 will become automatically backlighted (only if 12V DC supply is available).
Intercom
This function is applicable only if you have two or more handsets. Please note all units must be paired
together.
a. Under standby mode, momentarily press Answer button 11 , a “do – do” sound will be
heard.
b. The called handset will show the selected incoming call alert. Press Answer button 11 to
answer the call. The “do-do” sound on the calling handset will stop.
c. Now both handsets can converse with each other using the PTT button 14 .
d. Either party can press the Hang up button 12 to end the conversation.
e. The call will also be ended automatically if the PTT buttons 14 on either party is not pressed for
over 60 sec.
For system with more than two handsets, the incoming call alert on remaining handsets will stop once
the call is being answered. In case nobody answer the call, the alert will stop 20 seconds later.
N.B.
Selective call of a particular handset is not possible. Whenever an handset initiates a call, all the
remaining units will be alerted and can answer to the call. However, only the unit who first press the
Answer button 11 can reply to the call, all others will be excluded from the intercom.
CAUTION :
The two handests under intercom may not be able to detect a call from the caller unit. So
it is advisable to keep the intercom conversation short.
