Commax DRC-GAC User manual

•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.
•Thank you for purchasing COMMAXproducts.
•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 anysafety accidents caused byabnormaloperation of the product.
Lobby camera phone DRC-GAC/GAB
User Manual
-Feature -
●Covers all building with UPT cable.
●RF/ID (function optional)

-1-
the Main Entrance Interphone
(RF/ID) - Optional
9. Electronic key setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
10. Door Release Time Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
11. Line call Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
12. Paging Signal Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
13. The number of emitting chime setup . . . . . . . . . . . . . . . . . . . . . . . . .24
14. Video Out Impedance Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . .25
15. Input Household number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
16. Household Number Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
17. Paging the Household . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
18. Door Release Using the Household PIN . . . . . . . . . . . . . . . . . . . . . .29
19. Door Release Using the Building (Management) PIN . . . . . . . . . . . .29
20. Appendix (Various Program Summaries) . . . . . . . . . . . . . . . . . . . . . .30
21. How to use lobby phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
22. Wiring Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
22. Mscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
23. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Table of Contents
 Thank you for purchasing a Commax product.
 This product is a high tech Main Entrance interphone that supports
electronic and remote (Optional) keys features. Please read this manual
carefully and familiarize yourself with it before use.
1. Greetings
7. Configuring Serial Numbers in .. . . . .13.
1.Greeting
2.Warning for safety
3.Overview
4. PIN Types
5. Setting PIN
6. Household PIN Confirmation
8. Using Remote Cardkeys
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8. ..

Please follow the things described below in order to prevent any
danger or property damage.
Warning
Caution
Prohibition.
No disassembly
No touch
Must follow strictly.
Shows plugging out the power cord
without an exception
Shows the warning and caution for an electric shock.
Shows the warning and caution for a fire.
It may cause a serious damage or
injury if violated.
It may cause a minor damage or
injury if violated.
Power & Installation
Warning
Please don’t use several
products at the same time on
one power socket.
·It may cause a fire due to an
abnormal overheating.
Please don’
tbend the power
cable excessively or it may
cause an electric shock.
·fire when using a damaged
power cable.
Please don’
t handle the power
cable with a wet hand.
·It may cause an electric
shock.
Please plug out the power
cable from the socket when
not using it for a long period
of time.
·It may shorten the product
lifespan or cause a fire.
Please don’t install the
product in the place where
there is much oil, smoke or
humidity.
·It may cause an electric
shock or fire.
Please don’t install the
product with the lightening
and thunder.
·It may cause an electric
shock or fire.
Please don’
tuse and connect
this product with other
products with different rated
voltage
·It may cause a disorder or
fire.
When installing the product
that generates heat, please
install the product away from
the wall (10cm) for the
ventilation.
·It may cause a fire due to
the increased internal
temperature.
2. Warning for safety
- 2-

-3-
Cleaning & Use
Please don’ tdisassemble,
repair or rebuild this product
arbitrarily (please contact the
service center if a repair is
needed.
·It may cause an electric
shock or fire.
Please plug the power cable
firmly into the inner end
·It may cause a fire.
Please hold the plug tightly
when unplugging the power
cable (a part of the copper
wire may be disconnected if
the grabbing is only made on
the cord when pulling out the
cable).
·It may cause an electric
shock or fire
When connecting the power
cables after cutting the cable,
please install the product with
power off
·It may cause an electric
shock or fire
When installing the product,
please fix it firmly while using
the wall-mounting unit and
screws.
·It may cause an injury from
the falling object.
Please be careful when using
an AC circuit breaker since
there is a possibility of an
electric shock.
When cleaning the product,
please rub it with a soft and
dry cloth after plugging out
the power cable. (Please don’
t
use any chemical products
such as wax, benzene, alcohol
or cleanser.)
Please don’
t drop the product
on the ground and don’
tapply
a shock .
·It may cause a failure.
Please use the designated
connection cable within the
maximum calling distance
designated for the product
·It may reduce the product
performance.
Please check the use voltage
and current for the DC-only
products and use the
appropriate rectifier.
·It may cause a fire.
Please avoid direct rays of the
sun or heating devices at a
time of installation.
·It may cause a fire.
Please don’t install the
product on an unstable place
or small support board.
·It may cause an injury if it
falls down while in use.
If an abnormal sound, burning
smell or smoke is coming out
ofthe product, please plug out
the power cable and contact a
service center.
·It may cause an electric
shock or fire.
Please don’tinsert any
metallic or burnable materials
into the ventilation hole.
·It may cause an electric
shock or fire.
Please use only the designated
batteries for the products of
using DC power.
·Itmay cause an electric
shock or fire.
Cleaning & UsePower & Installation
Warning
Caution

- 4 -
3-1. Part name
①
②
③
④
⑤
⑥
⑨
⑩
⑪
⑫
⑬
⑭
⑧
⑦
3. Overview
No FUN No FUN
1. C-MIC
2. CAMERA
3. SPEAKER
4. FND DISPLAY
5. RF-ID
6. PROGRAM BUTTON
7. GUARD BUTTON
8. INPUT BUTTON
9. ELETRONIC KEY BUTTON
10. CANCEL BUTTON
11. CAMERA ANGLE
12. AJUSTMENT BUTTON
13. TALK VOLUME CONTROLLER
14. RESET SWITCH

-5-
3-2 Essentials
✽RF/ID Receiver ⑤(Optional)
To open the door using a Remote Cardkey, place the key here. The word‘oPEn’will
display and the door will be released.
✽Call Button ⑧(E: Enter)
This button is used to page households.
✽Program Button ⑥(P: Program )
This button is used to Program.
✽Electronic Key Button ⑪(K: Key)
This button is used to release the door by using PIN.
(Available only when the Electronic Key option has been set as OFF. When it is set as
ON, Finger Print Recognition is enabled)
✽Guard callt button ⑦(G: Guard)
This function is to call the guard house
Press the Page button after entering
the Household Number.
Please the Card Here OPEN DOOR
Program Enter

-6-
✽Cancel Button ⑪(X: Cancel)
This button is used to cancel the current operation.
✽Talk volume controller ⑬
Talk volume is adjustable by switching the controller to Low or High
✽Reset Button ⑭
This button is used to reset the Building PIN or the Management PIN
✽Change the message on FND
To change the message on FND, press the Program button (P) for 5 seconds.
1) Displaying system version
⇨0101-9901 SLI DRC-GAC Ver.01
2) Displaying general message
⇨hELLo hAPPy dAy
If the Management PIN can not be remembered, press the Reset
button
To Lower the Volume To Raise the Volume

-7-
●Must Know Before Use!
1) Accessing All Features with the Program Button
-When an error has been made as indicated by continuous beeps, please
cancel and start again from the beginning.
2) Forgotten PIN
2-1. Household PIN
Use the Household PIN verification feature of 6-1 to retrieve the PIN.
(Please inquire to the Guardhouse or the Management Office)
2-2. Building PIN
Reenter using the Management PIN.
2-3. Management PIN
Press the Reset button.
Both the Building and the Management Building PINs are reset to default.
3) All Remote Cardkey Deletion of 8-3 is to be used only when the unit is being
initially installed.
4) Configuration Mode Indications
Configured features are displayed on the Display Window when the Main
Entrance interphone is not in use.
Beep-Beep-Beep
(Error)
Start again from the
beginning
Series
Door status
Version No.
Camera Impedance
Serial Number
Building Number
0101-990 S-LI DRC-GAC Ver01 Open

-8-
4. PIN Types
4-1. Management PIN
- This PIN is for use by the person in charge of the Management Office.
- By default, this PIN is set as 4321.
- Management PIN shall be stated as “Management PIN” here below
4-2. Building PIN
- This is the common PIN for each main entrance.
- By default, this PIN is set as 1234.
- Management PIN shall be stated as “Building PIN” here below
4-2. Household PIN
- Each household has its own PIN.
- By default, this PIN is set as 1234.
- For convenience, hereafter household PIN.
<Reference>
✽Old PIN
Default Management PIN: 4321
Default Building PIN: 1234
Default Household PIN: 1234
✽New PIN
New PIN to be set by the user.
✽P : Program ✽K : Electronic Key ✽E : Call

-9-
5. Setting PIN
5-1. Management PIN Setup
✽P-Old Management PIN - E - 0 - E - New PIN -E
✽Management PIN must be 4-digits long.
✽0000 will not be recognized as a valid PIN.
①Press the Program button (P). (‘Prog’will appear)
②Enter the old PIN 4321.
③Press the Call button (E).
④Press the Program Number 0.
⑤Press the Call button (E). (‘PASS’will blink)
⑥Enter the new PIN.
⑦Press the Call button (E).
⑧Management PIN has been updated.
Press the Program button (P). Enter the old PIN 4321. Press the
Call button (E).
Press the Program Number 0. Press the
Call button (E).
Press the Call button (E).
Management PIN has been updated.
Enter the new PIN. ex)1470
<Note>
Be sure to change managing password ahead of use