Digital Monitoring Products Inc PC0109 User Manual

The magnet gap is determined by the type of door or window and the orientation of the transmitter and battery 

assembly in the housing. The reed switch is designed offset to one side to allow two gap distance options.  By 

installing with the reed switch toward the door opening, a 3/4 inch gap is allowed.  By installing with the reed 

switch away from the door opening, a 3/8 inch gap is allowed.  The example provided shows a left hand door 

installation.  The gap distance for a sliding door application is 3/4 inch regardless of the reed switch orientation.

Observe polarity when installing the battery.  The negative end of the battery faces the transmitter printed circuit 

board.  Use only 3.0V lithium batteries, DMP Model CR12600SE, or the equivalent battery from a local retail outlet. 
Note: When setting up a wireless system, it is recommended to program zones and connect the receiver before 

1. If installed, remove the transmitter housing face plate.  
2. Pull the transmitter and battery assembly from the housing.  Gently pull by gripping the antenna and end of 

the printed circuit board with your fingers.

3. If replacing the battery, remove the old battery and dispose of it properly.
4. Place the 3.0V lithium battery in the holder as shown in Figure 3 with the negative end of the battery facing 

the transmitter printed circuit board and hold in place.

5. Slide the transmitter and battery assembly into the transmitter housing.
4. Install the face plate on the transmitter housing.

  Caution: Risk of fire, explosion, and burns.  Do not recharge, disassemble, heat above 212°F (100°C), or

 

incinerate.  Properly dispose of unused batteries.

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Reed Switch

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