16
Main display unit diagnostic program
The diagnostic program checks the main display unit for proper operation and is automatically
conducted at start up. It may also be conducted when necessary. The program checks the memory
(ROM, RAM, EEPROM), LEDs and buzzer and then shows the program version number. The
equipment is normal if the program version no. appears.
1. To run the diagnostic program, turn on the power while pressing the [
kn/ m/s] selector. The
program checks the LEDs, ROM, RAM, EEPROM and buzzer and displays the program version
number. This is done continuously.
2. To escape from the diagnostic program, turn off the power.
Error display
DOPPLER SONAR
DS-50
MODE
Keel Clearance
m/s
fa
DIMMER
NM
kn
ft
D
istance
AL
G
W
A
S
FURUNOFURUNO
Main display unit
error indications
1: ROM error
2: RAM error
3: EEPROM error
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