Digital Monitoring Products Inc PC0152 User Manual

Observe polarity when installing the battery. Use only 3.0V lithium batteries, 

DMP Model CR123.
Note:  When setting up a wireless system, it is recommended to program zones 

and connect the receiver before installing batteries in the transmitters.

1. Remove the front cover. See Figure 1.
2. Remove the batteries (if installed) before installing new batteries.
Caution: Risk of fire, explosion, and burns. Do not recharge, disassemble, 

heat above 212°F (100°C), or incinerate. Properly dispose of unused 

batteries.
3. Observe polarity and insert the batteries into the battery holder.

Note:  If the battery reaches the factory preset low level, a Low Battery 

signal is sent to the panel. The 1127C PIR remains operational for 

approximately 30 days to allow adequate time to replace the battery.

Typical battery life expectancy for a DMP Model 1127C Wireless PIR is five 

years, based on 300 trips per day. Battery life can be increased 40%, to seven 

years, by programming the Disarm Disable feature to YES. DMP wireless equipment uses two‑way communication to 

extend battery life.
The following situation can extend battery life expectancy:

• Enabling the Disarm Disable feature in Zone Programming allows the PIR to be disabled while the area is disarmed. 

This eliminates frequent motion from being detected in a high traffic area during the disarmed period.

• Extend transmitter supervision time in panel programming.

The following situations can reduce battery life expectancy:

• If a receiver is unplugged, or not installed. 

Note:  Transmitters continue to send supervision messages until a receiver returns an acknowledgement. 

After an hour the transmitter only attempts a supervision message every 60 minutes.

• Programming the Disarm Disable feature as NO where frequent transmissions, in areas of high traffic, cause 

messages to be sent every time movement is detected.

• When installed in extreme hot or cold environments.

When installed and used properly, the unit provides years of service with minimal maintenance. To ensure proper 

operation, perform unit testing annually as described. Clean the cover and optional bracket with a water dampened 

cloth as needed to keep it free of dust and dirt. Always test the unit after cleaning.

Battery

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