UltraSecure UltraCOM2 Instruction Manual page 5

B. Pairing the Handset and Caller unit
This process is to match the caller unit with handset so that they can communicate with each other
while no other devices (even doorphone of identical model) can interfere with you or receiving
your signal.
The caller unit and handset are already paired with factory preset code when they are shipped
from factory. However, we recommend to perform pairing again to achieve better privacy and to
avoid false triggering of door lock from nearby doorphone system.
To perform pairing process, it is necessary to use alkaline batteries as power supply in the caller
unit while the12V DC supply should be disconnected temporarily.
1. Place the caller unit and handset close to each other within a distance of 1m.
2. With the handset in switch off mode, press and hold Power ON/OFF button 12
lock open button 13
backlighted and show a flashing letter "
3. Set the switch 5 to position F for caller unit intended to be used in frontgate. Press and hold
the pairing button 8 at back, then press and hold the Call button 1
4 will start flashing after 3 sec, showing that the caller unit has entered pairing mode.
Perform same for the caller unit that is intended to be used in backgate ( the switch 5 is set
to position B).
4. Now release both pairing button 8 and Call button 1
on the frontgate caller unit (DO NOT press pairing button on the backgate caller unit) . Two "Di
Di" sound will be heard and at the same time, the letter "
is a backgate caller unit) will show steady in LCD of handset once pairing is successful. The
call indicator 4 on both frontgate & backgate caller unit should stop flashing and remain
steady on.
5. Long press the Power ON/OFF button 12
batteries from caller unit and then re-install again or connect to the 12V DC supply.
6. The doorphone is now ready for operation.
If the pairing process is not successful ( the "
the procedures from step 1 again.
N.B. In case you are having two or more handsets as well as backgate caller unit, always perform
pairing process with all caller units and handsets together and with the handsets being set in
pairing mode first.
Remember every time you add on new units to the system, either handset or caller unit (for
backgate use), it is necessary to perform the pairing process all over again with all the units
together or otherwise the new units will not work with your original system.
together for around 3 sec to enter pairing mode. The LCD will become
".
5
. Press again pairing button 8
" and
to switch off handset. Take out the alkaline
" continues to flash in LCD of handset), repeat
and door
.The call indicator
(or in case there