Commax WI-3SN User manual

�Thank you for purchasing COMMAX produc s.
�Please carefully read his User’s Guide (in par icular, precau ions for safe y) before using a produc and follow
ins ruc ions o use a produc exac ly.
�The company is no responsible for any safe y acciden s caused by abnormal opera ion of he produc .
Tel.
•Thank you for purchasing COMMAX products.
•Please carefully read this User’s Guide (in particular, precautions for safety) before using a product and follow
instructions to use a product exactly.
•The company is not responsible for any safety accidents caused by abnormal operation of the product.
User Manual
Wireless Intercom WI-3SN

1
Table of Contents
1. Feature
• No wire drawing is required between devices.
• Connect the mains cable on each device to the nearest 220 V socket.
• Hold talk button down to speak (sending) and release it for listening (receiving).
•The intercom can be used for monitoring in any room in the building.
•The condenser microphone is very sensitive and the FM phase-lock circuit provides high
quality sound. The Intercom also has a filter circuit which reduces distortion and noise on the
line.
1. Feature ---------------------------------------------------------------------------------------------------- 1
2. Warning and Caution ---------------------------------------------------------------------------------- 2
3. Controls --------------------------------------------------------------------------------------------------- 4
4. Communication Limit ---------------------------------------------------------------------------------- 5
5. Specification --------------------------------------------------------------------------------------------- 5

2
Please follow the things described below in order to prevent any
danger or property damage.
Warning
Caution
Pr hibiti n.
N disassembly
N t uch
Must f ll w strictly.
Sh ws plugging ut the p wer c rd
with ut an excepti n
Sh ws the warning and cauti n f r an electric sh ck.
Sh ws the warning and cauti n f r a fire.
It may cause a min r damage r injury if vi lated.
It may cause a seri us damage r injury if
vi lated.
Power & Installation
Warning
Please d n’t use several
pr ducts at the same time n
ne p wer s cket.
·It may cause a fire due t an
abn rmal verheating.
Please d n’t bend the p wer
cable excessively r it may
cause an electric sh ck.
·fire when using a damaged
p wer cable.
Please d n’t handle the
p wer cable with a wet hand.
·It may cause an electric
sh ck.
Please plug ut the p wer
cable fr m the s cket when
n t using it f r a l ng peri d
f time.
·It may sh rten the pr duct
lifespan r cause a fire.
Please d n’t install the
pr duct in the place where
there is much il, sm ke r
humidity.
·It may cause an electric
sh ck r fire.
Please d n’t install the
pr duct with the lightening
and thunder.
·It may cause an electric
sh ck r fire.
Please d n’t use and c nnect
this pr duct with ther
pr ducts with different rated
v ltage
·It may cause a dis rder r
fire.
When installing the pr duct
that generates heat, please
install the pr duct away fr m
the wall (10cm) f r the
ventilati n.
·It may cause a fire due t
the increased internal
temperature.
2. Warnings and caution

3
Cleaning & Use
Please d n’t disassemble,
repair r rebuild this pr duct
arbitrarily (please c ntact the
service center if a repair is
needed.
·It may cause an electric
sh ck r fire.
Please plug the p wer cable
firmly int the inner end
·It may cause a fire.
Please h ld the plug tightly
when unplugging the p wer
cable (a part f the c pper
wire may be disc nnected if
the grabbing is nly made n
the c rd when pulling ut the
cable).
·It may cause an electric
sh ck r fire
When c nnecting the p wer
cables after cutting the cable,
please install the pr duct with
p wer ff
·It may cause an electric
sh ck r fire
When installing the pr duct,
please fix it firmly while using
the wall-m unting unit and
screws.
·It may cause an injury fr m
the falling bject.
Please be careful when using
an AC circuit breaker since
there is a p ssibility f an
electric sh ck.
When cleaning the pr duct,
please rub it with a s ft and
dry cl th after plugging ut
the p wer cable. (Please
d n’t use any chemical
pr ducts such as wax,
benzene, alc h l r cleanser.)
Please d n’t dr p the
pr duct n the gr und and
d n’t apply a sh ck .
·It may cause a failure.
Please use the designated
c nnecti n cable within the
maximum calling distance
designated f r the pr duct
·It may reduce the pr duct
perf rmance.
Please check the use v ltage
and current f r the DC- nly
pr ducts and use the
appr priate rectifier.
·It may cause a fire.
Please av id direct rays f the
sun r heating devices at a
time f installati n.
·It may cause a fire.
Please d n’t install the
pr duct n an unstable place
r small supp rt b ard.
·It may cause an injury if it
falls d wn while in use.
If an abn rmal s und, burning
smell r sm ke is c ming ut
f the pr duct, please plug ut
the p wer cable and c ntact a
service center.
·It may cause an electric
sh ck r fire.
Please d n’t insert any
metallic r burnable materials
int the ventilati n h le.
·It may cause an electric
sh ck r fire.
Please use nly the designated
batteries f r the pr ducts f
using DC p wer.
·It may cause an electric
sh ck r fire.
Cleaning & UsePower & Installation
Warning
Caution

4
3. Controls
Connecting and usage
1. Plug the electrical cable to each device in the nearest wall socket.
2. Program a desired channel on each intercom with the channel selector. Choose A, B or C.
3. Set the ON/OFF switch (with three way selector for audio signal) on one of the black points.
The largest point provides the most powerful sound.
4. To call another intercom you press the call button. All intercoms with the same channel
setting will then be called.
5. Press talk button when you speak and release it when you listen. Speak with a normal voice
level at arm’s length from the intercom.
6. To listen, release the talk button. Then you can talk to the intercom you have called.
7. For dictation or other long messages you press down the locking button. Release the
locking button when you have finished speaking.
8. To listen to the response (when you pressed down the locking button to send a message)
you have to first of all press the locking button right down in order to release it. Then you
can receive calls from the other intercom
Note: An intercom with the locking button pressed down can not receive calls from another
intercom.

5
4. Communication limit
Telephoning is only possible between intercoms on the same mains network. If the intercoms
are connected to nets with different mains transformers you cannot communicate. The
intercom in the middle can communicate with the one on the left but not with the one on the
right.
5. Specifications
Voltage supply: 230 V AC, 50 Hz
Output: 5 W
Frequency: 100 - 120 - 145 kHz
Output effect, sender: 100 mW
Output effect, speakers: 500 mW
Dimensions: 183 x 130 x 35 mm
Weight: 450 g

513-11, Sangdaewon-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea
Int’l Business Dept. Tel. : [phone]~550 Fax. : [phone]
Web site : www.commax.com
Printed In Korea / 2020.07.104
Edited.2020.07.20