MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8
Operation Manual Trouble Shooting And On Board Servicing
93142122-07 8-9
(2) LOG Interface
Set the voltage within the
specified range
N
Y
Ｎ
Correct the faulty connection
Ｎ
Ｎ
Set the SEA STB SPD menu to PULSE.
Ｎ
Y
Perform the initial gyro bearing
settings
Ｎ
Gyro Interface unit is faulty
Y
Y
Is the ship’s supply voltage within
rated voltage range (12 – 40 V)?
Is the LOG/Gyro Interface unit is
supplied with main power supply?
Is the SEA STB SPD sub menu set to
PULSE in SYSTEM:I/O SETUP
Is the gyro bearing initial setting
performed?
Is the LOG connection correct?
Take necessary measures to
supply the ship’s power supply
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