JRC JLR-7700MKII - Specifications; General Functions Specifications

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JLR-7700 MK2 GPS Navigator
9. Specifications
(1) General functions
Type of display : 5-inch STN LCD, 160 x 128 dots
Backliting : EL for LCD and lamps for keyboard
Dimmer control : High, low, or off (To be selected with a keyboard)
Waypoint memories : 499 points maximum (including the event memory for
the point No. 400 to 499)
Naming with 8 characters
Waypoint entry : Iatitude, longitude, bearing and distance, and event
Track memories : A maximum of 300 points
Route plan : One route plan with 499 waypoints total
Position correction : Selection among 46 geodetic systems and manual
entering of latitude and longitude
Magnetic variation : Automatic or manual
Navigation calculation : Great circle or Rhumb line selectable
Alarms : Arrival alarm, off-course alarm, anchor alarm,
boundary alarm, or no position fix
Plot function Plot scale : 1 to 100 NM (with the ranges of 1, 2, 5, 10, 20, 50, and
100 NM)
Plot interval : Every 30 seconds, 1, 3, 5, 10, or 30 minutes, or 0.2 or
0.5 NM
Data output : Two output ports (one RS422 output)
NMEA 0180, NMEA 0183, or JRC format
Version 1.5 or 2.1 for NMEA 0183
Relay output : External buzzer output or Log pulse output selectable
Selectable unts : NM/KTS or KM/KPH
Memory backup : Built-in lithium battery
Loran conversion function : Iatitude and longitude can be converted into the Loran
time difference.
Display language : English or Japanese
Power supply : 12/24VDC, or less 10W
: 100 or 220 VAC (with optional AC power supply unit)
(2) GPS receiving
Receiving frequency : 1575.42MHz ± 1MHz (C/A code)
Sensitivity : -130dBm
Dynamic range : 25dB
Signal acquisition : Automatic by computer controlled
Maximum No. of tracked satellites : 12
Fix update rate : Every 1 second
Accuracy GPS position fixing : 15m 2DRMS (L1, C/A code, HDOP ≦ 4)
DGPS position fixing : 5m 2DRMS (L1, C/A code, HDOP ≦ 4)