Holux GM-120 - Manual (Page 74)

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Making a Cold Start
Use this feature to locate your position correctly, if the GM-120 is unable to
identify your position after being powered on for a few minutes. This may
happen if there is old, incorrect data in the device and the signal strength is
poor due to uneven distribution of the satellites. In some cases, you may
also wish to acquire fresh information from the satellites and clear the
previous, obsolete data from the memory.
The Cold Start feature enables you to restart navigation by acquiring fresh
positioning information from the available satellites as follows:
1. Press the Menu button twice to display the main
menu.
2. Scroll to the Cold Start option and press OK. The
device starts acquiring fresh satellite information.
Resetting to Factory Defaults
When strange encoding appears on the screen, restore all setting to factory
default to acquire fresh information from the satellites and clear the
previous, obsolete data from the memory.
To reset all settings to factory defaults:
1. Press the Menu button twice to display the main
menu.
2. Scroll to Satellite and press OK to enter the
satellite page.
3. Press and hold Menu and OK buttons for three
seconds. A warning message appears to confirm
resetting to factory defaults.
4. Press OK to confirm.