Humminbird 778C - Manual (Page 88)

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Digits Format
(Advanced)
Settings: Small tenths, Large tenths, No tenths;
Default = Small tenths
Digits Format adds a tenth decimal place to the readouts such as Temperature
and Depth. Use the settings to change the display of the decimal place or
remove it from the digital readouts. Examples of the different settings are
displayed below. Also, see Select Readouts and Views.
NMEA Output
(Advanced)
Settings: Off, On; Default = Off
NMEA Output turns the NMEA* output on or off. A GPS receiver must be
connected to the control head to enable trackplotter functions.
NMEA Output should be turned On if you connect the NMEA Output wires of the
GPS Receiver cable to another NMEA-compatible device, such as an autopilot.
NOTE: *NMEA 0183 is a National Marine Electronics Association standard for
data communication.
The following NMEA sentences are output when NMEA Output is turned On:
DPT- Depth
MTW - Water Temperature
GLL - Lat/Lon Position
GGA - GPS Fix Data
RMC - Recommended Minimum Specific GNSS Data
VTG - Course Over Ground and Ground Speed
ZDA - Time and Date
Small tenths Large tenths No tenths
Setup Menu Tab