Manual Gemini 7502 (page 7 of 13) (English)

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b) Start the function programming procedure by remote (see paragraph “PROGRAMMING THE

ACCESSORY FUNCTIONS”).

c) When the signals indicating activation of the programming procedure are emitted, close the

driver’s side DOOR and keep it closed.

d) Press both keys on the remote (the status LED should stay lit).

e) Turn the car ignition key to the OFF position, and in this condition the status LED should turn off

to indicate the start of memorization of the new PIN-CODE.

After a pause of approximately four seconds, the status LED will start to emit an initial sequence of

nine flashes. In this case too, every flash of the LED indicates a number attributable to one digit of

the PIN-CODE.

Let us suppose that the new PIN-CODE is 5-4-6-7. In order to be able to enter the number of the

first digit (5), you must turn the start key to the ON position for at least one second during the fifth

flash of the LED or press the pushbutton on the LED for one second (if you use LED art.2324)

during the fifth flash.

After entering the number of the first digit, there will be another pause of 4 seconds, after which the

status LED will emit a second sequence of nine flashes. To enter the number of the second digit (4),

the ignition key must be turned to the ON position for at least one second during the fourth flash of

the LED or press the pushbutton on the LED for one second (if you use LED art.2324) during the

fourth flash.

To enter the remaining two digits (6 and 7), just repeat the operations described under steps f) or g),

and make sure you turn the ignition key to the ON position during the sixth flash (6) or press the

pushbutton on the LED for one second (if you use LED art.2324) during the seventh flash(last digit,

i.e. 7).

f) When the fourth digit has been entered, the system will automatically quit the new PIN-CODE

memorization procedure. This condition will be indicated by the emission of a series of visible

signals similar to those indicating the end of the “PROCEDURE FOR PROGRAMMING THE

ACCESSORY FUNCTIONS”, a procedure you should consult for details.

WARNING: if during one of the four sequences of nine flashes of the status LED none of the

numbers are confirmed (0), at the end of the ninth flash the PIN-CODE memorisation procedure will

end at once.

TECHNICAL CHARACTERISTICS

Rated supply voltage 12VDC

Power supply voltage range 9Vdc to 15Vdc

Power drain @ 12Vdc Less than 10 mA with system activated and flashing LED

Remotes 433.92MHz – stabilized with SAW filter

12V auxiliary output current max 700 mA

Engine immobilizer relay contact capacity max 8 A

Turn indicator relay contact capacity max 10 A – protected by fuses

Back-up battery capacity 150 mAh – with voltage of 7.2V

Siren output current capacity protected with PTC integrated into circuit

The unit is guaranteed against all manufacturing defects for 24 months after the date of installation. Please

fill out the warranty certificate contained in this instruction booklet and DO NOT REMOVE the warranty

label from the unit. A missing or broken label or an incomplete guarantee certificate form or the lack of a

sales documents attached to it invalidates the warranty. The warranty is valid exclusively at centres

authorized by Gemini Trading S.r.l. The manufacturer declines all liability for any anomalies/failures of the

unit and/or the vehicle's electrical system caused by improper installation, tampering or improper use. The

alarm has the exclusive function of dissuasion from theft.

ULTRASOUND DESCRIPTION MODULE.

GEMINI 5123.

The 5123 sensor protects the car with the control of the movements obtained by saturating the passenger

compartment with ultrasound waves; the opening of a door, the breaking of windows or the movement of

an extraneous body inside the car are detected by the sensor which activates the alarm system by means

of a command.

Installation instructions.

It is easy to connect because the wiring harness of the alarm system has a connector dedicated to

connection of the sensor.

Insert sensor capsule connectors into their respective positions, one RED for connecting the TX capsule

and the other WHITE for the RX capsule.

Sensitivity adjustment.

- Lower one of the front windows by about 20 cm.

- Adjust the sensitivity potentiometer to the minimum

- With the doors completely closed, connect the alarm by pressing key 2 twice.

- Introduce an foreign body into the car and shake it. The red pilot light on the module will indicate

activation of the sensor after the movement is detected.

If not, increase the sensitivity and repeat the operation.

5123

Ultrasonic module

Red

Connector

TECHNICAL DATA AND CHARACTERISTICS

Working temperature –30°C to +85°C.

Working voltage 9V to 16V.

Electrical input 2.5mA.

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Gemini 7502 Manual

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