Regal 3300 Owner's Manual page 174

CHAPTER 6
Testing System
helm display head while the unit is powered up. The Red LED will
illluminate and within 10-15 seconds the alarm horn will sound. If
warning Red LED fails to come on & horn fails to sound, remove
display head & return to factory for repair.
Refer to the equipment manufacturer's manual for additional
information.
Always operate the bilge blower if equipped prior to starting the
engines or generator. Gasoline vapors can explode, resulting
in death or serious injury. Before starting the engines or
generator, perform the following:
• Check the engine room for fuel vapors.
• Operate the bilge blower(s) for a minimum of 4 minutes.
• Verify the bilge blowers are operating properly.
Always run the bilge blower(s) when the vessel is operating
below cruising speed.
6-14
!
WARNING
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The head unit can be tested for
electrical continuity by pressing the
"Test" switch. The Red LED will
come on. The light will glow as long
as the switch is held down. If the
test switch is held down longer than
10 seconds the horn will sound and
the "MUTE" switch must be
pushed to silence the horn.
Unplug the sensor wire from the