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Additional Information
Sleep Versus Off
You can manually put the unit to Sleep or turn the device Off
by using return (e3).
• To put the unit to Sleep: press and hold return
(e3) until the LCD message Sleep appears.
• To turn the unit Off (only during the Searching
mode or at start-up): press and hold return
(e3), and the message Off appears on the
LCD.
In both the Sleep mode and the Off state, the LCD
backlight and LEDs are dark. The main difference is
that in Sleep mode, the unit attempts to refresh GPS
positioning data dynamically within a period of 5
hours. The other difference is the LCD message that appears
as the unit shuts down: either Sleep or Off.
Note: After 5 hours in Sleep mode, the unit times out to the
Off state.
The unit will automatically go to Sleep if:
• You do nothing for 1 minute while one of these
messages appears on the LCD:
Ready
Select location
Location 1, 2, or 3 selected
• You do nothing after Found is displayed on the
LCD for about 2 minutes.
• Searching displays on the LCD for about 2
minutes; then the message No GPS appears
on the LCD, and the red LED indicator (e1) is
steady.
• Traveling more than 2 minutes off-course
(more than 22.5°, headed in the opposite
direction, or distance (d6) is increasing) and
the red LED indicator (e1) is blinking.
• No GPS data is received for about 5 minutes,
the LCD message No GPS appears and the
red LED indicator (e1) is steady.
• No change in GPS data for about 5 minutes,
the LCD message No Movement appears, and
the red LED indicator (e1) is steady.