O C E A N S E R V E R C O M P A S S M A N U A L
12
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Temp: 21.1 degrees
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Depth: 21.01 feet [This is only output on the OS5500-USG ]
Format Type 0x02: “$OHPR” Sentence
$OHPR value1,value2,value3,value4….*cc
The $OHPR sentence is activated with the <esc>*2<space> command. It provides a
comma-delimited list of all of the parameters selected for output with the <esc>X
command.
Format Type 0x03: “$HCHDT” Sentence
$HCHDT,212.4,T*2C
The NMEA0183 standard true heading sentence is supported for output. The
$HCHDT sentence is activated with the <esc>*4<space> command. To have the
heading be true the user must program the compass with the local declination value
using the <esc>Qnnnn<space> where nnnn is the degress times 10 for local heading
offset. Example <esc>Q125<enter> will offset the heading 12.5 degrees for every
value reported.
Format Type 0x04: “comma delimited” Sentence
value1,value2,value3,value4,….
This sentence outputs the data as a simple comma delimited list of the requested
values. This sentence is activated by the <esc>*8<space> command and it outputs all
data elements selected in the <esc>Xmask<space> command. This sentence format
is only available with firmware version 1.4 or later.
Output Parameter Selection Table
(Note: not all compasses support all features)
Order Bit value (base 10) Parameter Name
1 1
Azimuth
2 2
Pitch Angle
