AOR AR-ALPHA, Operating Manual

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Table of Contents
1. Introduction ---------------------------------------------------------------------------------------------------------- 5
1-1 Introduction ---------------------------------------------------------------------------------------------- 5
1-2 Caring for your radio ---------------------------------------------------------------------------------- 7
1-3 Please note these operating procedures ---------------------------------------------------------- 8
1-4 Accessories supplied ---------------------------------------------------------------------------------- 8
1-5 Controls and functions ----------------------------------------------------------------------------------13
Front Panel ----------------------------------------------------------------------------------13
1-5-1 Keypad ----------------------------------------------------------------------------------14
1-5-2 Summary of keys ----------------------------------------------------------------------14
Rear Panel ----------------------------------------------------------------------------------29
2. Getting Started ---------------------------------------------------------------------------------------------- 33
2-1 Preparing the AR-ALPHA for operation ----------------------------------------------------------33
2-1-1 Connecting the antenna ----------------------------------------------------------33
2-1-2 Connecting power ----------------------------------------------------------------------33
2-2 Switching on for the first time ----------------------------------------------------------------------34
2-3 Squelch Circuit ----------------------------------------------------------------------------------35
2-4 VFO selection ----------------------------------------------------------------------------------35
2-4-1 Tuning frequency ----------------------------------------------------------------------36
2-4-1-1 Entering a frequency using the numeric keypad ----------36
2-4-1-2 Changing frequency using the main tuning dial ----------37
2-4-1-3 Changing frequency using the arrow keys ----------------------37
2-5 Changing receive mode ----------------------------------------------------------------------38
2-5-1 Auto mode selection ----------------------------------------------------------------------39
2-5-2 Receive mode selection
----------------------------------------------------------39
2-5-3 Additional decoding modes ----------------------------------------------------------42
2-6 Changing tuning step size ----------------------------------------------------------------------43
2-7 IF bandwidth ----------------------------------------------------------------------------------------------44
2-7-1 Manually selecting IF band width ----------------------------------------------45
2-8 Attenuator ----------------------------------------------------------------------------------------------45
2-9 Offset ----------------------------------------------------------------------------------------------46
2-9-1 Using pre-programmed frequency offset data ----------------------------------46
2-9-2 Entering new frequency offset data ----------------------------------------------47
2-9-3 Activating frequency offset ----------------------------------------------------------48
2-9-4 Monitoring the offset frequency ----------------------------------------------48
2-9-5 Deactivating frequency offset ----------------------------------------------------------49
3. Spectrum Display ---------------------------------------------------------------------------------------------- 49
3-1 LCD Display Screen (in VFO spectrum analyzer mode) ----------------------------------49
3-1-1 Operation mode display ----------------------------------------------------------50
3-1-2 Basic operation display ----------------------------------------------------------50
3-1-3 Spectrum display (example) ----------------------------------------------------------51
3-2 Display span setting ----------------------------------------------------------------------------------53
3-2-1 Setting the display span ----------------------------------------------------------54