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Contemporary Research 5 232-FMA FM Stereo Tuner
Front Panel Programming
To Enter a Front Panel Programming Mode:
1. Press and hold the Mute A/V button such that the red LED light above is lit (indicating Mute On).
2. Press Seek Up.
3. Release all buttons, the 232-FMA will now be in the front panel programming mode.
4. The front panel display is dedicated to programming information display while in this mode.
5. Changes are saved in non-volatile memory as they are entered.
6. The Seek up/down buttons scroll through programming modes 0 through 9.
7. The Preset up/down buttons scroll through possible parameters for each mode.
To Exit the Front Panel Mode
Push and release the Mute All A/V button.
Front Panel Modes
Mode 0: RF Tune Select
Selects U.S. standard FM odd frequency presets or both even and odd FM frequencies for international use.
Factory default is odd frequencies only.
Mode 1: Baud Rate Select
Selects the baud rate for the RS-232 control port. Factory default is 9600 baud. Higher baud rates are
recommended for quicker response time.
Mode 2: Unit Address Select
Selects unit address used in RS-232 remote control protocol. Factory default is unit address 1 and should
only be 2 or 3 if multiple units are RS-232 daisy chained.
Mode 3: Not used
Mode 4: Front Panel Disable level
Selects front panel buttons to be disabled. Different levels of lockout are possible.
Levels are as follows:
Level Buttons Disabled
0 None (normal operation)
1 Preset Up/Dn
2 Seek Up/Dn
3 Preset & Seek Up/Dn
4 Mute A/V
5 Preset Up/Dn & Mute A/V
6 Seek Up/Dn & Mute A/V
7 All (complete front panel disable)
Mode 5: Power-up Volume level
Seeks the audio volume level at power-up. ‘0’ restores volume to previous muted or full level, ‘1’ restores
volume to full level. May be set from 0 – 63, but any value above zero sets volume to full on.
Mode 6: Special Test Mode (for factory testing)
Displays unit software version. Holding Preset Up button while exiting this mode will return the unit to all
factory default settings: 9600 baud, unit #1, panel lockout level 0, power-up volume restore, stereo local
Mode 7: Audio Decoding
Seeks mono/local, stereo/local, mono/DX or stereo/DX.
Mode 8: Bass setting fixed at 0dB