Garmin eTrex Summit Owner's Manual (Software Version 3.00 and above) &nbs - Page 68

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Appendix A Specifications Physical Case: Size: Weight: Temperature Range: Fully-gasketed, high-impact plastic alloy, waterproof to IPX7 standards (waterproof to 1 meter for 30 minutes) 4.4"H x 2"W x 1.2"D Approx. 5.3 ounces (150g) w/batteries 5° to 158°F (-15° to 70°C)3 (operating) Specifications subject to change without notice. 1Subject to accuracy degradation to 100m 2DRMS under the U.S. DOD Selective Availability program. 2With optional Garmin Differential Beacon Receiver Input. 3Subject to proper user calibration. 4The temperature rating for the eTrex Summit may exceed the usable range of some batteries. Alkaline batteries can rupture at high temperatures. External power can only be applied using the Garmin Auto Power Adapter (P/N 010-10203-00) or PC Interface Cable with Auto Power Adapter P/N 010-10268-00; this cable contains a voltage regulator). Modifications or other applications will void the product warranty. 5Alkaline batteries lose a significant amount of their capacity as temperature decreases. Use lithium batteries when operating the eTrex Summit in below-freezing conditions. Extensive use of screen backlighting will drastically reduce battery life. 54 Performance Receiver: Differential-ready, 12 parallel channel Acquisition time: Approx. 15 seconds (warm start) Approx. 45 seconds (cold start) Approx. 5 minutes (First Time/AutoLocate™) Update Rate: 1/second, continuous GPS Accuracy:

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54
Appendix A
Specifications
Physical
Case:
Fully-gasketed, high-impact plastic alloy, waterproof to IPX7 standards
(waterproof to 1 meter for 30 minutes)
Size:
4.4”H x 2”W x 1.2”D
Weight:
Approx. 5.3 ounces (150g) w/batteries
Temperature Range:
5° to 158°F (-15° to 70°C)
3
(operating)
P
erformance
Receiver:
Differential-ready, 12 parallel channel
Acquisition time:
Approx. 15 seconds (warm start)
Approx. 45 seconds (cold start)
Approx. 5 minutes (First Time/AutoLocate™)
Update Rate:
1/second, continuous
GPS Accuracy:
<15 meters (49 ft) RMS
1
DGPS (USCG) Accuracy:
1-5 meters (3-15 ft) with DGPS corrections
2
DGPS (WAAS) Accuracy:
3 meters (10ft) 95% typical with DGPS corrections
Velocity Accuracy:
0.1 knot RMS steady state
Dynamics:
Performs to specifications to 6 g’s
Interfaces:
NMEA 0183 (versions 2.00-3.0), RTCM 104 (for DGPS corrections) and
RS-232 for PC interface
Antenna:
Built-In
Compass:
accuracy: ± 5 degrees
3
, resolution: 1 degree
Altimeter:
accuracy: ± 10 feet
3
, resolution: 1 foot
Power
Input:
Two 1.5-volt AA batteries
4
Battery Life:
Up to 16 hours of typical use
5
(22 hours in battery save mode)
Specifications subject to change without notice.
1
Subject to accuracy degradation to 100m 2DRMS under the
U.S. DOD Selective Availability program.
2
With optional Garmin Differential Beacon Receiver Input.
3
Subject to proper user calibration.
4
The temperature rating for the eTrex Summit may exceed the
usable range of some batteries. Alkaline batteries can rupture at
high temperatures. External power can only be applied using
the Garmin Auto Power Adapter (P/N 010-10203-00) or PC
Interface Cable with Auto Power Adapter P/N 010-10268-00;
this cable contains a voltage regulator). Modifications or other
applications will void the product warranty.
5
Alkaline batteries lose a significant amount of their capac-
ity as temperature decreases.
Use lithium batteries when
operating the eTrex Summit in below-freezing conditions.
Extensive use of screen backlighting will drastically reduce
battery life.