JLR-7600（GPS）	JLR-7900（DGPS）
MED approved	✔	✔
Scanners	4.5-inch monochrome (128 by 64dots)
Backlight	White and orange LED selectable
Dimmer levels	Bright, medium, dark, off
Memory	1,000 waypoints (including MOB/event), 2,000 track points, 20 routes
Route plan	50 waypoints per route
Geodetic datum	Selection among 47 geodetic datum
Magnetic variation	Automatic or manual selection
Navigation calculation	Great circle or rhumb line selectable
Alarm	Arrival, anchor, XTD, no position fix, speed, trip, HDOP, DGPS
Plot function scale	0.125, 0.25, 0.5, 1, 2, 5, 10, 20, 50, 100 NM Interval 1 sec – 60 min (1 sec) or distance 1 – 99.99 NM (0.01 NM) selectable
Interfacing	Data/power 12-24V DC, serial 3 in/output (RS-422), contract 1 in/output Data 1: serial 1 in/output (RS-485) for data/dimmer sharing Sensor/data 2: serial 1 in/output (sensor) or daisy chain
Selectable units	Distance/speed: NM/kn, km/km/h, mi/mi/h Height: m/ft/fm
Language	English, Japanese
Power supply	10.8-31.2V DC (optional power supply 100-240V AC), less than 4W
4WSensor type	Multichannel (12ch), SBAS (1ch)	Multichannel (12ch), SBAS (1ch), DGPS
Frequency	1575.42 MHz ± 1 MHz (C/A code)
SBAS	WAAS, MSAS, EGNOS
Accuracy	13m (HDOP 4 SA off), 7m (SBAS) 2dRMS	13m (HDOP 4 SA off), 7m (SBAS), 5m (beacon) 2dRMS
Power supply	10.8-31.2V DC, less than 1.5W	10.8-31.2V DC, less than 2.5W
NMEA version	1.5, 2.1, 2.3, 4.0
Bit rate	4800, 9600, 19200, 38400 bps
Output sentence	GGA, RMC, GLL, VTG, GSA, GSV, DTM, GBS, GRS, GST, ZDA, GNS, MSS *1, ALR, BOD, RMB, ACK
Output interval	1, 2, 3, 4, 5, 6, 7, 8, 9 sec, off
Ambient conditions	Operation temperature: -25 to 55°C (sensor), -15 to 55°C (display)Storage temperature: -40 to 70°C (sensor), -25 to 70°C (display)Relative humidity: 0% to 93% non-condensingVibration/EMC: IEC60945 ed.4 compliantWaterproof/dustproof: IP56 (sensor), IP55 (display)