Operation Check (Led) - Furuno BBDS1 Operator's Manual

3. INITIAL SETTINGS, OPERATION
3.2

Operation Check (LED)

The Bottom Discrimination Sounder is powered on/off from ship's switchboard. The LED on the
Bottom Discrimination Sounder lights or flashes according to equipment state, as described in the
table below.
LED state
Lighting continuously
Flashing every two seconds
Flashing every four seconds
* T he LED lights for approximately 20 seconds after turning on the power while the equipment is
being initialized .
Meaning
NavNet is not showing the sounder display, or
sounder is not connected to NavNet 3D.
Normal operation
Factory test mode
LED
19