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INTRODUCTION
GEMINI 7503.
The 7503 system is a self-powered alarm control unit with built-in sensors and can be installed on cars
having a 12-volt battery with the negative pole earthed.
DESCRIPTION
- Self-powered compact alarm control unit, remote-controlled with a dynamic code.
- Blinker and universal control to operate the centralised door locks, electric windows and roof (for cars
equipped with the “pack-comfort” system).
- Boundary and volume protection.
- Controls for self-powered siren and supplementary siren (continuous sound).
- LED memory.
- Remote “panic” or car finder.
- Electrical engine immobilizer.
- Electronic emergency key with dynamic code (CDE2) and emergency Pin-code.
- Control unit functions programmable by means of remote control.
- Power supply sabotage sensor (only for version 7503).
7502. like 7503 without self-powering unit.
INSTALLATION TIPS
- Connect the power cable to the positive pole of the batter and the earth directly to the car frame.
- Always connect the Black alarm lead marked VM to the door pushbuttons.
- Always connect the Black alarm leads marked V to the bonnet pushbutton and the boot
pushbutton.
- On cars with catalytic converters, implement the electrical engine immobilizers by pressing the
fuel pump.
- If an ultrasound module is being used, position the capsules up on the RH and LH door jambs of the
front windshield and aim them toward the car’s interior, far from the air vents.
- Make the electrical connections and programme the accessory functions by remote control.
ELECTRIC CONNECTIONS
(REMOVE NEGATIVE POLE OF BATTERY AND RECONNECT IT ONLY AFTER ASSEMBLY IS COMPLETED)
FUNCTION WIRE COLOR
Earth
ð
BLACK marked M
Positive pole of battery
ð
BLACK marked R
Engine immobilizer 1 (max. 8A)
ð
TWO BLACKs marked H
Positive pole under key
ð
BLACK marked G
Turn indicators
ð
TWO ORANGES
Door pushbuttons
ð
BLACK marked VM
Bonnet and boot pushbutton
ð
TWO BLACKs marked V
Positive pole of alarm activated (max. 700 mA)
ð
PINK
External sensors input
ð
GREEN-BLACK
Negative control for supplementary siren
ð
BLACK marked GN
Centralised locks
ð
YELLOW-BLUE,
RED-BLUE,
YELLOW-GREY,
RED-GREY,
YELLOW-BROWN,
RED-BROWN
NOTE : In the wiring harness of the 7503 there are two 2-way connectors and one 4-way connector.
The 2-way connectors must be connected to the electronic key socket (art.2390 or art.2325). If only the
LED (art. 2324) is used, use only the 2-way connector with the Red wire and the Black wire.
The 4-way connector serves to connect the ultrasound module or the hyperfrequency module or
external modules, if fitted.
ACCESSORY FUNCTIONS PROGRAMMABLE BY REMOTE.
FUNCTION PROGRAMMED AT FACTORY
1 SOUND SIGNALS ENABLED
2 PANIC ALARM / CAR FINDER PANIC FUNCTION ENABLED
3 POWER DRAIN DISABLED
4 ANTI-DISTRACTION AUTOMATIC DOOR-LOCKING FUNCTION DISABLED
5 PASSIVE ACTIVATION OF SYSTEM DISABLED
6 SELECTION CENTRALIZED LOCK TIMES (0.5 / 6 SEC.) 0.5 SEC. SELECTED:
7 25-SECOND COMFORT CLOSURE COMMAND DISABLED
8 DOUBLE PULSE WHEN OPENING DISABLED
ENTERING THE PROCEDURE FOR PROGRAMMING THE ACCESSORY FUNCTIONS.
Disconnect the alarm with the transmitter. Open the car door (and keep it open). Turn the ignition key to
the ON position: the LED will turn on for 0.5 seconds. When the LED is on, press both keys on the remote.
To confirm activation of programming mode, there will be a high beep followed by a low beep. The system
is now in the programming mode and therefore it is awaiting commands that must be imparted by means
of the remote control keys. During programming the LED stays on.
VARIATION OF FUNCTION MODE.
Each selection will be confirmed by a LED signal:
IF YOU PRESS KEY 1 (TO ENABLE THE FUNCTION AND GO THE NEXT FUNCTION ) A HIGH BEEP WILL SOUND.
IF YOU PRESS KEY 2 (TO ENABLE THE FUNCTION AND GO THE NEXT FUNCTION ) A LOW BEEP WILL SOUND.
Key 1: Enabled
SOUND SIGNALS
Key 2: Disabled
Key 1: Panic function enabled
Car finder disabled
PANIC ALARM OR CAR FINDER
Key 2: Panic disabled
Car finder enabled
Key 1: Enabled
POWER DRAIN
Key 2: Disabled
Key 1: Enabled
ANTI-DISTRACTION AUTOMATIC DOOR-LOCKING FUNCTION
Key 2: Disabled
Key 1: Enabled
PASSIVE ACTIVATION OF SYSTEM
Key 2: Disabled
Key 1: 6-sec time enabled
CENTRALIZED LOCK TIMES
Key 2: 0.5 sec time enabled
Key 1: Enabled
COMFORT COMMAND
Key 2: Disabled
Key 1: Enabled
DOUBLE PULSE WHEN OPENING
Key 2: Disabled
EXITING ACCESSORY FUNCTION PROGRAMMING PROCEDURE.
You can exit the programming procedure at any time by turning the ignition key to the OFF position.
At this point, the changes will be memorized and unchanged function modes will be confirmed.
However, if you decide to program all the functions, the system will automatically exit the
programming function. In any event, after the procedure is completed, the system will signal the end
of programming the accessory functions with two low beeps and a high beep and the LED will turn
off.
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