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CHANNEL DISPLAY AND
UP/DOWN BUTTON OPERATION
1. UHF-16 Receiver
Operation of Channel Display, Battery Status, Up and Down buttons, Keyboard Lock, and Tone Squelch™
a. Changing the Channel Assignment
Press Up or Down button to change channels.
b. Selecting Tone Squelch™ Mode
Hold both Up and Down buttons at the same time for 1 second. Tone Squelch™ will cycle from On to Off.
The presence or absence of the word “Channel” indicates the Tone Squelch™ mode.
If the receiver Tone Squelch™ is enabled, it must also be enabled on the transmitter otherwise the audio
will remain muted.
c. Selecting Keyboard Lock
Hold both Up and Down buttons at the same time for 3
seconds. Keyboard lock will cycle from Locked to Unlocked.
The “DOT” to the right of the number indicates the keyboard is
locked.
d. Battery Status Icon Operation
The Battery Icon indicates the condition of the battery in the
remote transmitter. Note that the Battery Icon will not display if
the Tone Squelch™ is disabled.
2. UH-16 and UB-16 Transmitters
Operation of Channel Display and Up and Down buttons, Keyboard Lock, and
Tone Squelch™
a. Changing the Channel Assignment
Press Up or Down button to change channels.
The Channel number indicator will vanish after 10 seconds. The Tone
Squelch™ indicator and Keyboard Lock indicator will show that the transmitter is On.
b. Selecting Tone Squelch™ Mode / Activity Indicator
Hold both Up and Down buttons at the same time for 1 second.
Tone Squelch™ will cycle from On to Off.
The “ ’’ or “ ’’ will remain on continuously and acts as an
activity indicator to show that the transmitter is on.
If the receiver Tone Squelch™ is enabled, it must also be enabled
on the transmitter otherwise the audio will remain muted.
c. Selecting Keyboard Lock
Hold both Up and Down buttons at the same time for 3 seconds. Keyboard
lock will cycle from Locked to Unlocked.
Battery OK Battery LOW
UNLOCKED LOCKED
Tone ON Tone OFF