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To Access the Expanded Mode of Operation. To select 240 channel operation, turn the unit off. Hold the 'DW' and 'CH9' buttons while turning the unit on.
Midland 77-285 Documentation Project CBTricks.com. 77-285 Frequency Conversion 3 Bands (A - B - C) 26.515 - 26.855 MHz. Export Frequency Conversion. 1.Remove the case from the unit and locate the terminals on the. This is the manual page for Midland. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc.
You should now see a 'D' in the channel display. Pressing the 'CH19' Button will cause the unit to cycle from bands 'A' through 'F', with band 'D' being the normal CB channels. To select the HAM band with high power turn the unit off. Press the 'LCR'and 'MIC' buttons while turning the unit on. Release the buttons and 28.000 should be shown in the display. 170 channels from 28.000 to 29.700 can now be selected with the channel selector. Optimum performance on the HAM band may require realignment of the trnsmitter and receiver.
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To return to normal operation, reverse the above procedure. If power is lost to the control head or if tile microprocessor is reset the above functions will have to be reentered.