Simrad HS50 - Manual (Page 44)

Simrad HS50 Heading Sensor
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20221081 / F
GPS heading, the heading output is determined from the inertial
element.
The data quality status information indicated on the Display unit
is also included in some of the NMEA messages that can be
output on the serial lines.
Navigation/HDT display
HDT
When pressing the NAV1/HDT button, the HS50 will toggle
between two different displays for heading information.
Primary NAV1/HDT display, shown after the start-up screen
when the HS50 is turned ON.
True heading is shown as a big number in the center of the
compass with the COG value above it.
Secondary NAV1/HDT display.
This display shows heading, course over ground and speed over
ground values in big characters.
Navigation/POS display
POS
The HS50 will toggle between three different displays for
position information when the
NAV2/POS button is pressed.
Primary display shown when the NAV2/POS button is pressed
once. The display shows main navigation information.
Secondary NAV2/POS display.
The display presents position information in large numbers.