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GPS FAQs

Q. I just turned on my GPS today and it will not acquire satellites. What should I do?

A. If you have not used your unit for several months, the Almanac Data for the Satellites may be out of date. The unit is capable of recollecting this information on its own, but it is a lengthy process. You can help speed this process by performing the following function: With Power off, perform the following sequence of keystrokes for the unit you have.

GPS II/II+/III/IIIPilot/12/12XL/38/40/45/48/89/90/120/120XL/126/128/130/135/175/180/185/195/230/235 Press and hold the PAGE key down and power the unit up, then release the PAGE key.

GPS 50/55/65/75/85/95/95XL Press and hold the "0" (zero) key down and power the unit up, then release the "0" key.

GPSMAP 210/215/220/225 Press and hold the MARK key down and power the unit up, then release the MARK key.

After performing these key sequences you will need to take your unit outside where it has a clear view of the sky with no obstructions and allow it between 15 to 30 minutes to download and update its Almanac Data from the Satellites.

NOTE: Most of GARMIN's newer 12 parallel channel GPS receivers do not require the steps above to speed the process of updating/recollecting Almanac Data. If your particular model is not listed above, no special steps are needed when the unit has been in extended storage. Simply turn the unit on and let it lock onto the satellites.

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