II Morrow Inc. 920 GPS - Manual (Page 56)

Countdown Time
The Apollo handheld GPS receiver includes a
countdown timer. Use this option to enter a
time of up to 60 minutes. After starting the
timer, the receiver will sound the beeper and
show a message on the display when the
entered time has elapsed.
Display Units
This option allows you to change the way
navigation units of measure show on the display.
You can select the units shown for each
navigation parameter:
D
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