User's Manual

Chapter 2 Radar Basic Operation MDC-5200/5500 Series
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By GAIN/TUNE knob (MDC-5500 series only)
1 Press GAIN/TUNE knob until light around knob turns red.
Tune value box will appear on the place of MAN or AUTO box of tune indicator.
2 Turn GAIN/TUNE knob clockwise or counter clockwise to get the strongest land echo.
3 When tune adjustment is completed, press GAIN/TUNE knob or ENT key to save setting data to
internal memory.
Light around GAIN/TUNE knob will turn green.
4 Repeat step 1 to 3 for both MAN and AUTO modes.
AUTO tune mode value box
MAN tune mode value box