If...
Message not transmitted or received
Heavy static or interference
Low batteries
Drop-in Charger LED light does not illu-
minate
Chapter 7: Troubleshooting
Then...
er. UHF radios provide greater coverage
in industrial and commercial buildings.
Increasing power provides greater signal
range and increased penetration through
obstructions. (Output power is limited to
0.5W in PMR446 radios).
See
Talk Range on page
Perform one of the following actions:
•
Ensure that the PTT button is completely
pressed when transmitting.
•
Confirm that the radios have the same
Channel, Frequency, Interference
Eliminator Code, and Scramble Code
settings. See
Transmitting and Receiving
Calls on page
17.
•
Recharge, replace, or reposition batter-
ies. See
Battery Specifications on page
23.
•
Change the radio placement. Obstruc-
tions and operating indoors, or in vehi-
cles, may interfere. See
page
17.
•
Verify that the radio is not in Scan mode.
See
Scanning Radio Channels on page
20.
Radios are too close. Ensure that the trans-
mitting and receiving radios are at least 5 ft
(1.5 m) apart.
Radios are too far apart or obstacles are in-
terfering with transmission.
Recharge or replace Li-Ion battery.
NOTICE: Extreme operating tem-
peratures affect battery life.
See
Battery Specifications on page
Perform one of the following actions:
•
Verify that the radio and battery is prop-
erly inserted.
•
Check the battery and charger contacts
to ensure that they are clean and charg-
ing pin is inserted correctly.
See
Charging with the Single-Unit Charger
on page 24
and
Charger LED
MN007428A01-AB
17.
Talk Range on
23.
Indications.
37