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Oregon Series Owner’s Manual 35
Appendix
Appendix
Specications
Physical
4.5 in. H × 2.3 in. W × 1.4
in. D (114 × 58 × 36 mm)
5.1 oz. (146 g) without
batteries
191.4 g with batteries
3 in. diagonal (76 mm)
backlit 65K color TFT
display (240 × 400 pixels)
Rugged plastic,
waterproof to IPX7
From -4
°
F
to 158
°
F (from -20 to
70
°
C)*
*The temperature rating of the Oregon
may exceed the usable range of some
batteries. Some batteries can rupture at
high temperatures.
Power
Two AA batteries
(alkaline, NiMH,
lithium, or precharged
NiMH) alkaline not
recommended for
Oregon 550 and 550t
Up to 16 hours
Accuracy
< 33 ft. (10 m) 95% typical*
*Subject to accuracy degradation to 100
m 2DRMS under the U.S. DoD imposed
Selective Availability (SA) Program
when activated.
from 10 to 16 ft. (from
3 to 5 m) 95% typical
(WAAS accuracy in
North America)
0.328 ft./sec. (0.1 m/
sec) steady state