Motorola CP100 User Manual page 37

Symptom Try This:
Steel and/or concrete structures, heavy foliage, buildings or
vehicles decrease range. Check for clear line of sight to improve
Limited talk
transmission. See "Talk Range" on page 15.
range
Wearing radio close to body such as in a pocket or on a belt
decreases range. Change location of radio.
Confirm radios have the same Channel, Frequency, Interference
Eliminator Code and Scramble Code settings, depending upon
model. See "Programming Features" on page 20.
Recharge, replace and/or reposition batteries.
Message not
received
Move to another location. Obstructions and operating indoors, or
in vehicles may decrease range.
Verify that the radio is not in Scan mode. See "Scanning (15 ch
models only)" on page 18.
Radios are too close, they must be at least five feet apart.
Heavy static or
Radios are too far apart or obstacles are interfering with
interference
transmission.
Keypad locked Unlock by holding \ for three seconds.
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