Garmin GPSMAP 740/740s Owner's Manual - Page 88

Appendix, Specifications, Calibrating the Touchscreen

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Appendix Appendix Specifications Physical Specifications Specification Measurement Size W × H × D: 8 /29 32 × 5 /19 32 × 3 1/8 in. (226 × 142 × 80 mm) Weight 2.48 lb. (1.125 kg) Display W × H: 6 × 3 /19 32 in. (152 × 91 mm) Case Fully gasketed, high-impact plastic and aluminum alloy, waterproof to IEC 60529 IPX-7 Temp. Range From 5°F to 131°F (from -15°C to 55°C) Compass Safe 32.0 in. (813 mm) Distance GPS Performance Specification Parameter Receiver Acquisition Time Warm Cold Update Rate Accuracy Velocity Reacquisition GPS DGPS Measurement High-sensitivity 12 parallel channel, WAAS-capable receiver Approximately 1 sec. (The device is at or near the last location at which you recently acquired satellites.) Approximately 38 sec. (The device has moved more than about 500 mi. [800 km] since it was turned off.) < 1 sec. 1/sec., continuous

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84
GPSMAP 700 Series Owner’s Manual
Appendix
Appendix
Specifications
Physical Specifications
Specification
Measurement
Size
W × H × D: 8
29
/
32
× 5
19
/
32
× 3
1
/
8
in. (226 × 142 × 80 mm)
Weight
2.48 lb. (1.125 kg)
Display
W × H: 6 × 3
19
/
32
in. (152 × 91 mm)
Case
Fully gasketed, high-impact plastic and aluminum alloy, waterproof to IEC 60529 IPX-7
Temp. Range
From 5°F to 131°F (from -15°C to 55°C)
Compass Safe
Distance
32.0 in. (813 mm)
GPS Performance
Specification
Parameter
Measurement
Receiver
High-sensitivity 12 parallel channel, WAAS-capable receiver
Acquisition
Time
Warm
Approximately 1 sec. (The device is at or near the last location at which you
recently acquired satellites.)
Cold
Approximately 38 sec. (The device has moved more than about 500 mi.
[800 km] since it was turned off.)
Reacquisition
< 1 sec.
Update Rate
1/sec., continuous
Accuracy
GPS
<33 ft. (10 m) 95% typical
DGPS
10-16 ft. (3-5 m) 95% typical (WAAS/EGNOS accuracy)
Velocity
0.05 m/sec. steady state
Power
Specification
Measurement
Source
10–32 Vdc
Usage
8.56 W max. at 13.8 Vdc
Fuse
3 A
NMEA 2000 Load Equivalency Number (LEN)
2
NMEA 2000 Draw
100 mA maximum
Calibrating the Touchscreen
The GPSMAP 700 series chartplotter touchscreen does not normally require calibration. However, if the
buttons do not seem to be responding properly, use the following process to calibrate the screen.
1. While the chartplotter is turned off, press
.
The Warning screen appears.
2.
Touch anywhere on the black portion of the screen for approximately 15 seconds until the calibration
screen appears.
3.
Follow the instructions on the screen until “Calibration is complete” appears.
4. Touch
OK
.