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PHYSICAL
Case: Waterproof, dry nitrogen-filled
Size: 6.15”H x 2”W x 1.23”D
(15.6 x 5.1 x 1.23 cm)
Weight: Approx 9.5 ounces (269g) w/ batteries
Temperature Range: 5º to 158ºF (-15º to 70ºC)
PERFORMANCE
Receiver: Differential-ready MultiTrac8
TM
Acquisition Time: Approx. 20 seconds (warm start)
Approx. 2 minutes (cold start)
Approx. 7.5 minutes (AutoLocate
TM
)
Update Rate: 1/second, continuous
Position Accuracy: 5-10 meters (16-33 ft.) with DGPS corrections*
15 meters (49 ft.) RMS**
Velocity Accuracy: 0.1 knot RMS steady state (90 knots max.)
Dynamics: Performs to specification to 3g’s
POWER
Input: Four 1.5 volt AA batteries or 5-8vDC
Current Consumption: 0.16 amps max.
Battery Life: 10 hours (normal mode)
(w/ alk. batt.) Up to 20 hours (battery saver mode)
NOTE: Alkaline batteries lose a significant amount of their capacity as temperature decreases. If you’re using the
GPS 40 in below freezing temperatures, use lithium batteries for longer battery life.
Specifications subject to change without notice.
* With optional GARMIN GBR 21 Beacon Receiver Input.
** Subject to accuracy degradation to 100m 2DRMS under the US DOD-imposed Selective Availability Program.
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Appendix E
Maintenance
&
Specifications
The GPS 40 is constructed of high quality materials
and should not require user maintenance. Should your
unit ever need repair, please take it to an authorized
GARMIN service center. The GPS 40 has no user-service-
able parts. Never attempt any repairs yourself.
To protect your GPS, keep it in its carrying case when
not in use, and never allow gasoline or other solvents to
come into contact with the case. Clean the case and lens
with a soft cloth and a household window cleaner.
40 rev B 8/6/98 1:48 PM Page 54