Transmitter Unit; Sounding Range - Furuno CN-24 Service Manual

4.2 TRANSMITTER UNIT

4.2.1 Sounding Range

The sounding range is set with DIP switch S1 on the CONT-B 01P5741 board. The switch
is factory-set to 80m for both the upward and downward ranges. To change the factory
setting, refer to the figure below.
Fig. 4.2 S1, S2 Location
S1, S2 DIP SWITCH SETTING in Normal Operation Mode
Note: The sounding range determinates the maximum range for echo reception.
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