Table of Contents
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SRa5P and SRa Dual Receivers
Table of Contents
Quick Start Summary .............................................................................................................................................................................3
General Technical Description ..............................................................................................................................................................5
RF Front-End and Mixer ........................................................................................................................................................................6
MIicrocontroller, PLL and VCO Circuits.................................................................................................................................................6
IF Amplifiers and SAW Filters ...............................................................................................................................................................6
Digital Pulse Counting Detector ............................................................................................................................................................6
DSP-Based Pilot Tone ...........................................................................................................................................................................6
SmartSquelch™ ....................................................................................................................................................................................6
Supersonic Noise-Based Dynamic Filter and Squelch .........................................................................................................................7
RF-Controlled Digital Noise Filter .........................................................................................................................................................7
Audio Output Level ...............................................................................................................................................................................7
Test Tone ...............................................................................................................................................................................................7
Power Supply ........................................................................................................................................................................................7
LCD Display ..........................................................................................................................................................................................7
Front Panel Controls and Functions .....................................................................................................................................................8
Audio Outputs .......................................................................................................................................................................................8
LCD Screen ..........................................................................................................................................................................................8
MENU/SEL Button ................................................................................................................................................................................8
PWR/BACK Button ...............................................................................................................................................................................8
UP/DOWN Arrow Buttons .....................................................................................................................................................................8
Rear Panel and Adapters .......................................................................................................................................................................8
Camera Slot Adapters ...........................................................................................................................................................................9
Installing Camera Slot Adapters ...........................................................................................................................................................9
Adapters for Stand-alone Use .............................................................................................................................................................10
Installing Rear Panel Adapters............................................................................................................................................................10
Battery Adapter ...................................................................................................................................................................................10
Audio Output Cables ...........................................................................................................................................................................11
External Power Cables ........................................................................................................................................................................11
External Power Supply ........................................................................................................................................................................11
Mounting and Orientation ....................................................................................................................................................................12
Main Window (LCD) ..............................................................................................................................................................................13
LCD Backlight Setup ............................................................................................................................................................................14
Navigating the LCD ..............................................................................................................................................................................15
Main Window .......................................................................................................................................................................................16
Frequency Screen ...............................................................................................................................................................................16
Setup Screens ....................................................................................................................................................................................16
Front Panel Shortcuts .........................................................................................................................................................................18
Locking and Unlocking the Front Panel Controls ................................................................................................................................18
Scanning for Clear Frequencies .........................................................................................................................................................19
Scan View Window ..............................................................................................................................................................................19
Zoom View Window .............................................................................................................................................................................19
Pre-coordinated Frequencies ..............................................................................................................................................................20
Compatible Frequency Table ...............................................................................................................................................................20
Compatibility Diagram .........................................................................................................................................................................21
Frequency Coordination ......................................................................................................................................................................22
Multi-channel System Checkout .........................................................................................................................................................22
Troubleshooting ....................................................................................................................................................................................23
Specifications and Features ................................................................................................................................................................25
Service and Repair ...............................................................................................................................................................................26
Returning Units for Repair ..................................................................................................................................................................26
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LECTROSONICS, INC.
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Table of Contents
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