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Acquiring GPS Signals
The first time you turn on the GVN 53, you must wait while the system acquires satellite signals for the first time. This process
could take up to several minutes. Make sure your vehicle is outdoors in an open area away from tall buildings and trees for fastest
acquisition. After the system acquires satellites for the first time, it will acquire satellites quickly each time thereafter.
Changing the Fuses
If you need to replace a fuse on the red or yellow wires, make sure the wires are not touching to prevent a short circuit. Then replace
the old fuse with a new 2 Amp fuse.
CAUTION
Specifications
General
Operating Temperature:
Storage Temperature:
Operating Voltage:
Current Consumption:
ACC off Current:
Dimensions:
Weight:
Map Storage:
Connectors:
Navigation
Receiver:
Frequency:
Acquisition Times*:
Warm:
Cold:
AutoLocate
:
®
Update Rate:
GPS Accuracy:
DGPS (WAAS) Accuracy: Position: < 5 meters, typical
Antenna:
Composite Video Switch
Left:
Middle:
Right:
NOTE
Video quality varies depending on the display.
5°F to 158°F (0°C to 70°C)
-40°F to 185°F (-40°C to 85°C)
9.5 V to 25 V
0.13 A typical at 13 V (Max 1.0 A at 13 V)
60 uA typical at 13 V
1
/
" H x 4
/
" W x 4
/
" L (30 mm x 120 mm x 117 mm)
3
3
5
16
4
8
0.41 lb (184 g)
Internal non-removable memory (pre-loaded City Navigator map data on European and North American units) and
optional removable SD card
System/power, GPS antenna, SD card slot, Mini-B for optional XM (only on the U.S. version) or FM traffic receivers
SiRF STAR III high-sensitivity GPS receiver
1,575.42 MHz
< 1 second
< 38 seconds
< 45 seconds
*On average for a stationary receiver with an open sky view
1/second, continuous
Position: < 10 meters, typical
Velocity: 0.05 meter/sec RMS
Velocity: 0.05 meter/sec RMS
External GPS antenna, requires metal surface, such as a car roof or the included metal plate. A larger metal
mounting surface improves GPS reception.
NTSC (default)
NTSC
PAL
Video switch not applicable in North America
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