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3. SETTING AND ADJUSTMENT
3-6
OTHER menu setting
DEMO ECHO
Turn the demonstration echo on of EG (Echo Generator), TT, TEST or PC.
EAV W/O GYRO
If a gyrocompass is not connected, select the echo average function, ON (working) or
OFF (no working).
TT CATEGORY SELECT
Select CAT 1 or CAT 2/3 depending on your ship’s size.
• CAT 1: All ships over than 10,000 GT
• CAT 2: All ships between 500 and 10,000 GT
• CAT 3: All ships less than 500 GT