Operation
Key Functions
The t, :and skeys are used to select and set backlight levels,
and set/change constants such as which NMEA sentences to
display, select a data channel, save and delete NMEA sentences
from the favorites list and prepare the instrument to receive new
sentences from a PC. New information is automatically saved
to non-volatile memory.
Backlight Intensity
Press :the key 1/2 second to adjust the backlight level for
night viewing. Each time you press the :key 1/2 second, the
level will get brighter 1, 2, 3, 4, OFF, 1, 2, ... etc. The blue
backlight ON/OFF control wire must be switched to +12/24V
for the backlights to work and offers external backlight ON/
OFF control. If ON/OFF control is not required, connect the
blue wire to +12/24VDC permanently.
Selecting a NMEA Sentence to Display
Up to 12 sentences can be stored in a list of often viewed
sentences. You can select a sentence from the list using the t
and s keys. The RP110 comes pre-programmed with the
following list:
142
$SDDPT DEPTH RELATIVE TO TRANSDUCER MTRS
163 $VWVHW SPEED KNOTS
160 $VWMTW WATER TEMPERATURE DEGREES
98 $GPRMC COURSE OVER GROUND DEGREES TRUE
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