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Model No: UH7740NB/UH5045
Turn the unit off, Press and hold ''MEM''& "DCS/CTCSS" buttons together at the same time
and turn the power back on. After 15 seconds turn power back off then on
Model No: UH7750NB/UH5050
Turn the unit off, Press and hold ''MEN''& "DCS/CTCSS" buttons together at the same time
and turn the power back on. After 15 seconds turn power back off then on
Model No: UH7760NB/UH5060
Turn the unit off, Press and hold ''MENU''& "SCAN" buttons together at the same time and
turn the power back on. After 15 seconds turn power back off then on
Model No: UH810S/UH820S
Turn the unit off, Press and hold ''MENU''& "Smart" buttons together at the same time and turn
the power back on. After 15 seconds turn power back off then on
Model No: UH820NB
Select channel 21, Turn the unit off, Press and hold ''Call''& "SCAN" buttons together at the
same time and turn the power back on. After 15 seconds turn power back off then on
Model No: UH835S/UH850S
Turn the unit off, Press and hold ''MENU''& "[▲]"buttons together at the same time and turn
the power back on. After 15 seconds turn power back off then on
Model No: UH8010NB/UH8010S
Turn the unit off, Press and hold ''MENU''& "SCAN" buttons together at the same time and
turn the power back on. After 15 seconds turn power back off then on
Model No: UH8020S
Turn the unit off, Press and hold ''MENU''& "SCAN" buttons together at the same time and
turn the power back on. After 15 seconds turn power back off then on
Model No: UH8050S/UH8055
• Initialize to factory setting not including recorded audio.
Turn the unit off, Press and hold ''MENU''& "REPALY" buttons together at the same time and
turn the power back on. After 15 seconds turn power back off then on
• Reset All including recorded audio
Turn the unit off, Press and hold ''MENU''& "Replay" & "Police " buttons together at the same
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