Installation Instructions
Helm Control
Specification Measurement
Dimensions without sun cover (H
× W × D)
110 x 115 x 30 mm (4.33 x 4.53 x
1.18 in.)
Dimensions with sun cover (H ×
W × D)
115 x 120 x 35.5 mm (4.53 x 4.72 x
1.40 in.)
Weight without sun cover 247 g (8.71 oz.)
Weight with sun cover 283 g (9.98 oz.)
Temperature range From -15° to 70°C (from 5° to 158°F)
Compass-safe distance 209 mm (8.25 in.)
Material Case: fully-gasketed polycarbonate
Lens: glass with an anti-glare
treatment
Water resistance IEC 60529 IPX7*
Power usage 2.5 W max
Unit max. voltage 32 Vdc
NMEA 2000 input voltage 9 to 16 Vdc
NMEA 2000 (LEN) 6 (300 mA at 9 Vdc)
*The device withstands incidental exposure to water of up to 1 m for up
to 30 min. For more information, go to www.garmin.com/waterrating.
Alarm
Specification Measurement
Dimensions (L×diameter)
29
/
32
× 1 in. (23 × 25 mm)
Weight 2.4 oz. (68 g)
Temperature range From 5°F to 140°F (from -15°C to 60°C)
Cable length 10 ft. (3.0 m)
NMEA 2000 PGN Information
CCU
Type PGN Description
Transmit and
receive
059392 ISO acknowledgment
059904 ISO request
060928 ISO address claim
126208 NMEA: Command/Request/Acknowledge
group function
126464 Transmit/Receive PGN list group function
126996 Product information
127257 Transmit/Receive attitude data
127251 Transmit/Receive rate of turn
Transmit only 127245 Rudder data
Transmit only 127250 Vessel heading
Receive only 127245 Rudder data
Receive only 127258 Magnetic variation
127488 Engine parameters: Rapid update
128259 Water speed
129025 Position: Rapid update
129026 COG & SOG: Rapid update
129283 Cross track error
129284 Navigation data
130306 Wind data
Helm Control
Type PGN Description
Transmit and
receive
059392 ISO Acknowledgment
059904 ISO Request
060928 ISO Address Claim
126208 NMEA - Command/Request/Acknowledge
Group Function
Type PGN Description
126464 Transmit/Receive PGN List Group Function
126996 Product Information
Transmit only 128259 Water Speed
129025 Position - Rapid Update
129026 COG & SOG - Rapid Update
129283 Cross Track Error
129284 Navigation Data
129540 GNSS Satellites in View
130306 Wind Data
Receive only 127245 Rudder Data
127250 Vessel Heading
127488 Engine Parameters - Rapid Update
128259 Water Speed
129025 Position - Rapid Update
129029 GNSS Position Data
129283 Cross-Track Error
129284 Navigation Data
129285 Navigation - Route/WP information
130306 Wind Data
130576 Small Craft Status
NMEA 0183 Information
When connected to optional NMEA 0183-compatible devices,
the autopilot uses the following NMEA 0183 sentences.
Type Sentence
Transmit hdg
Receive wpl
gga
grme
gsa
gsv
rmc
bod
bwc
dtm
gll
rmb
vhw
mwv
xte
Error and Warning Messages
Error Message Cause Autopilot Action
ECU Voltage is Low The pump supply voltage
has fallen below 10 Vdc
for longer than 6 seconds.
• Alarm sounds for
5 seconds
• Continues in
normal operation
Autopilot is not
receiving navigation
data. Autopilot
placed in Heading
Hold.
The autopilot is no longer
receiving valid navigation
data while performing a
Route To maneuver.
This message also
appears if navigation is
stopped on a chartplotter
before the autopilot is
disengaged.
• Alarm sounds for
5 seconds
• Autopilot
transitions to
heading hold
Connection with
Autopilot Lost
The helm control has lost
connection with the CCU.
N/A
14