User's Manual
Synthesized UHF Hand-Held Transmitter
Rio Rancho, NM
3
Table of Contents
General Technical Description ..............................................................................................................................................................4
Introduction ...........................................................................................................................................................................................4
Digital Hybrid Technology .....................................................................................................................................................................4
Digital Signal Processor ........................................................................................................................................................................4
Microprocessor, PLL and VCO Circuits.................................................................................................................................................4
Compatibility Modes ..............................................................................................................................................................................5
Pilot Tone Squelch ................................................................................................................................................................................5
Wide-Band Deviation ............................................................................................................................................................................5
Input Limiter ..........................................................................................................................................................................................5
Long Battery Life ...................................................................................................................................................................................5
Frequency Selection .............................................................................................................................................................................5
Circulator/Isolator ..................................................................................................................................................................................5
Antenna .................................................................................................................................................................................................5
Microphone Element .............................................................................................................................................................................5
Controls and Functions .........................................................................................................................................................................6
Power On/Off Switch .............................................................................................................................................................................6
Power LED ............................................................................................................................................................................................6
Compatibility Modes ..............................................................................................................................................................................6
Frequency Switches ..............................................................................................................................................................................6
Opening the Battery Compartment .......................................................................................................................................................7
Modulation (audio level) LEDs ..............................................................................................................................................................7
Audio Level Control ...............................................................................................................................................................................7
Locked Mode ........................................................................................................................................................................................7
VariMicā¢ Controls ..................................................................................................................................................................................8
Tone Control Adjustments .....................................................................................................................................................................8
Attenuator Control .................................................................................................................................................................................8
Subsonic Noise Filter ............................................................................................................................................................................9
Interchangeable Capsules ....................................................................................................................................................................9
Changing Capsules ..............................................................................................................................................................................10
Operating Instructions .........................................................................................................................................................................12
Selecting Compatibility Mode ..............................................................................................................................................................12
Adjusting the Audio Gain ....................................................................................................................................................................12
On/Off Switch Function Selection .......................................................................................................................................................13
Battery Installation ...............................................................................................................................................................................14
Operating Notes ....................................................................................................................................................................................15
Adjusting the Transmitter Frequency ...................................................................................................................................................15
Troubleshooting ....................................................................................................................................................................................16
Speciļ¬cations .......................................................................................................................................................................................17
Service and Repair ...............................................................................................................................................................................18
Returning Units for Repair ..................................................................................................................................................................18