40
Control/Key
Label
Mode
Action
Result
[Power/VOL]
1
All
Rotate
Power ON — Volume Increase or
decrease
All
Press
Backlight enabled and intensity changes:
Green Low-Green Medium-Green
High-Red Low-Red Medium-Red High
Function
Press
FUNC
then tap
VOL
Rotate
Scroll
Control
Sets APCO threshold
Squelch
2
All
Rotate
Sets the Squelch Level to permit strong
signals to be heard with no background
noise or lower strength signals with some
background noise
Press
Toggle: Close Call DND-CC Primary-OFF
Press & Hold
Turns on Close Call Only Mode
Press +
Toggles to Tone-Out stand by mode
Scroll Control and
Function Button
3
All
Rotate
Turn to change scanning or searching
direction.
Scan or
Custom
Search
+ Rotate Turn to select System or Search Range
Hold
Rotate
Turn to Select channel or frequency
Menu
Rotate
Turn to scroll to menu item-Tap to select
current option
Press
Use as the <Enter> key for menu choices
Name Edit
Rotate
Turn to select alpha/numeric entry for
names
Monitor
Rotate
Turn to resume scanning or searching
GPS
+ Rotate Turn to operate alphabet skip
Function
Press/Tap
Switches to Function Mode; To latch
Function Mode, press and hold
[PRI]
4
Scan
Press
Toggle Priority Mode (On-Plus On-Off)
Func
Func
Func
Func
UB335ZH.book Page 40 Friday, March 17, 2006 4:35 PM