User's Manual

Watertight Miniature UHF Belt-Pack Transmitter
Rio Rancho, NM
13
Power Switch Function Selection
ThePowerON/OFFSwitchcanalsobeusedasanau-
diomuteswitch.Whenusedasanaudiomuteswitch,
the power switch causes the transmitter’s audio to be
mutedwhenthePowerON/OFFswitchisplacedinthe
OFFposition.The-10ModulationLEDblinksgreento
indicate that the transmitter is in Audio Mute Mode.
Power Switch Position
Function ON OFF
Normal,or AppliesPower TurnsUnitOff
Power Mode to Unit
AudioMute TurnsOnAudio MutesAudio
Mode
In Audio Mute Mode, the transmitter can still be turned
offbytogglingthePowerON/OFFswitchrapidly.Turn
thePowerSwitchONthenOFFthreetimes(ending
intheOFFposition)withinvesecondstoinitiatethe
poweroffsequence.ThesequenceisON-OFF-ON-
OFF-ON-OFF.
Whenthetransmitterispoweredupagain,AudioMute
Mode will persist until the power switch function is
changed.
Determine Power Switch Function Mode
1) If the transmitter is turned off, set the Power Switch
ONandobservetheModulationLEDs.
2) After the power up sequence completes, place the
POWERON/OFFswitchintheOFFpositionand
observe the -10 Modulation LED.
3) IfthePWRLEDglowsandthe-10ModulationLED
blinks green, the Power Switch is in Audio Mute
Mode.IftheLEDsextinguish,thePowerSwitchis
in Normal or Power Mode.
Changing Power Switch Function
1) EnsurethePowerON/OFFswitchisintheOFF
position.
2) Loosen the Frequency Switch Cover Plate Retain-
ing Screw, pull it away from the transmitter body,
thenrotateittoexposetheFrequencySelect
Switches.
3) Withasmallscrewdriver(includedwithyourunit),
set the Frequency Select Switches to F,F.
4) RapidlytogglethePowerON/OFFswitchtoON
thenbacktoOFF.
5) Change the Frequency Select Switch settings to the
following position:
Normal Mode: 1,1
Audio Mute Mode: 2,2.
5) RapidlytogglethePowerON/OFFswitchtoON
thenbacktoOFF.
6) Set the Frequency Select Switches to 0,0.
7) RapidlytogglethePowerON/OFFswitchtoON
thenbacktoOFF.
8) Turn on the transmitter. After the powerup se-
quencehascompleted,setthePowerON/OFF
SwitchtoOFFandobservethe-10ModulationLED
andthePWRLED.
 IfthePowerON/OFFswitchisconguredforNor-
mal Mode, the -10 Modulation LED will go out and
thePWRLEDwillblinkredforashortperiodthen
go out indicating the transmitter has shut down.
 IfthePowerON/OFFswitchisconguredfor
AudioMuteMode,thePWRLEDcontinues
to monitor battery condition while the -10
Modulation LED blinks green.
Frequency Select Switches
1.6M 100K