92 GPSMAP 188/188C Sounder Owner’s Manual
APPENDIX > SPECIFICATIONS
APPENDIX
Specifications
Physical Specifications
Size: 188: 6.2" H x 6.3" W x 2.6" D (15.8cm x 16.0cm x 6.6cm)
188C: 6.2" H x 6.3" W x 3.7" D (15.8 cm x 16.0 cm x 9.4 cm)
Weight: 188: 1.7 lbs. (.77Kg); 188C: 2.6 lbs. (1.18 kg)
Display: 188: 5.5" diagonal (14.1cm)
188C: 5.0" diagonal (12.7cm) 16-color TFT display with
backlighting (234 x 320 pixels)
Case: Fully gasketed, high-impact plastic alloy, waterproof to IEC
529-IPX-7
Temp. Range: 5°F to 158°F (-15°C to 70°C)
Performance
Receiver: Differential-ready 12 parallel channel WAAS capable
receiver
Acquisition Times
:
Warm: Approx. 15 seconds
Cold: Approx. 45 seconds
AutoLocate: Approx. 2 minutes
Update Rate: 1/second, continuous
GPS Accuracy
:
Position: <15 meters (49 feet), 95% typical*
Velocity: 0.05 meters/sec steady state
DGPS (USCG) Accuracy
:
Position: 3-5 meters (10-16 feet) with optional Garmin
DGPS receiver, 95% typical*
Velocity: 0.05 meters/sec steady state
DGPS (WAAS) Accuracy
:
Position: <3 meters (10 feet), 95% typical*
Velocity: 0.05 meters/sec steady state
Dynamics: 6g's
* Subject to accuracy degradation to 100 m 2DRMS under the U.S. DOD-imposed
Selective Availability Program.
Power
Source: 188: 8-35 V DC; 188C: 10-35V DC
Usage: 188: 4 watts max. at 13.8 vDC;
188C: 10 watts max. at 13.8vDC
Fuse: 188: AGC/3 AG-2.0 Amp; 188C: AGC/3 AG-5.0 Amp
Sonar
Sounder Power: 500 watts (RMS); 4000 watts (peak to peak)
Frequency:
50/200 kHz (45°/15°)
Depth: 1,500 foot max depth*
* Depth capacity is dependent on water salinity, bottom type and other water
conditions.
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