Humminbird 997c SI Combo, Installation And Operation Manual

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Digits Format
(Advanced)
Digits Format allows you to add a tenth decimal place to readouts such as
Temperature and Depth. The format can be changed to small format, large
format or no format. This menu choice is available only when in Advanced
User Mode (see
Setup Menu Tab: User Mode .)
To change the Digits Format setting:
1. Make sure you are in Advanced User Mode, then highlight Digits
Format on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
Digits Format setting. (Small tenths, Large tenths, No tenths,
Default = Small tenths)
NMEA Output
(Advanced)
NMEA Output turns the NMEA output on or off. This menu choice is available
only when in Advanced User Mode (see Setup Menu Tab: User Mode .)
The following NMEA sentences are output:
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
When navigating, the following NMEA sentences are also output:
APB - Autopilot Sentence B
BWR - Bearing and Distance to Waypoint
RMB - Recommended Minimum Navigation Info
To turn NMEA Output on or off:
1. Make sure you are in Advanced User Mode, then highlight NMEA
Output on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
NMEA Output to On or Off (Off, On, Default = Off).
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