Plotter Characteristics
Waypoints/icons
12,000 user waypoints with name, symbol,
3 system waypoints: MOB,Start,cursor
10 proximity waypoints

Routes
30 routes waypoint up to 170 points each,
plus MOB and Track Navigation or Goto Track modes

Tracks
8,000 points automatic track log;
10 saved tracks (up to 8000 track points each)
lets you retrace your path in both directions

Tides
Built-in Worldwide Tide Data

Position Format
Lat/Lon

Basemap
Worldwide

External Map
Compatible with K-Chart 2.0, K-Chart 3.0, C-Map Max and Navionics+

User Data Storage
Internal backup of user settings or external SD-card

Plot Interval
5secs to 60 mins or 0.01 to 10nm

Plotting Scales
0.001 to 700nm

AIS
700 targets display

AIS Target Tracking
1000 Automatically saved tracks (100 points each)
10 Manually saved tracks (300 points each)

Perspective view
On/off (available for C-Map only)

Celestial
Sunrise/Sunset Moonrise/Moonset

GPS Receiver Characteristics
Receiver
50 parallel channel GNSS receiver continuously tracks and
uses up to 50 satellites to compute and update your position

Acquisition time
Cold start: 29 seconds
Hot start: 1 second

Update rate
1 second

Accuracy
Position:3 meters(95%) without S/A
Velocity: 0.1 meter/sec without S/A

SBAS
Supported

Satellite System
GPS and Beidou

Dynamics
Altitude: 18,000 m
Velocity: 515 m/s

Datum
WGS 84 & user defined

Antenna
GPS Patch Antenna
GPS Interface
GSP Data

RS232 input/output, NMEA 0183 V3.01 and V4.11

GPS Input Baudrate
Auto Scan (4800, 9600, 19200 and 38400)

GPS Output Baudrate
Selectable among 4800, 9600, 19200 and 38400

AIS Interface
AIS Data
RS232 output VDO, VDM, GGA, GSA, GSV and VTG

AIS Output Baudrate
38,400

AIS Characteristics
Frequency Rate
156.025 MHz~162.025 MHz

Access Scheme
SOTDMA

Channel Bandwidth
25 KHz

Modulation
GMSK

Data Rate
9,600 bps

Number of AIS Transmitter
1

Number of AIS Receiver
2

AIS Channel 1
CH 87B (161.975 MHz)

AIS Channel 2
CH 88B (162.025 MHz)

Tx Power Output
>5 Watt (37 dBm ± 1.5 dB)

RX Sensitivity
<-123dBm @ 20% PER

RX Message Format
AIS Class A and B messages

Comply Standard
IEC-62287 IEC 62287-2 Ed. 2.0:2017

Power Supply
10.5 to 30VDC, current drain 1.5A at 12V

PHYSICAL
Size
155.2mm(H)X243mm(W)X84.6mm(D)

Weight
0.83 kg

Display
7-inch Color TFT dayview LCD, 800×600 pixels

Waterproofing
Display unit: IP66
Antenna unit: IP66

Temperature range
Display unit: -15℃ to +55℃
Antenna unit: -25℃ to +70℃

What’s in the box:
Onwa KP-708A
Protective cover
External GPS patch antenna with SMA connector
Power/Data cable
Mounting bracket
Installation materials and standard spare parts
KA-159 Marine VHF antenna for AIS communication
Operator manual
One year warranty