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GPS Update Rate
Changing the update rate conserves battery power and lengthens the
battery life. The update rate is the length of time it takes the receiver to
send data to the display. In other words, normally the receiver sends po-
sition data once every second. You can reduce that time to once every
five seconds. However, slowing the update rate also makes it harder to
use this product at very slow speeds, such as hiking. The faster the up-
date rate, the better the unit can respond to changes in direction or speed.
If you wish to change the update rate, simply move the black box to the
“GPS Update Rate (SEC)” menu, then press the left or right arrow key to
move the black box over the desired rate: 1, 2, 3, 4, or 5 seconds. Press
the EXIT key to activate your selection.
Execute GPS Self Test
If you suspect a problem with the GPS receiver, or
just wish to test it, highlight the “Execute GPS Self
Test” label on the GPS Setup menu, then press
the right arrow key. A screen similar to the one at
right appears after several seconds. Messages on
the display will tell you if the unit passed the self-
test, or failed. If the unit fails the self-test, contact
the Eagle customer service department.
Execute GPS Cold Start
When the AccuMap 12 is turned on for the first time “out of the box”, it
automatically does a “cold-start”. A cold start means the unit doesn’t have
any information that helps it determine which satellites are available.
If the unit can’t lock on to the satellites using the data you’ve given it, or if
it has trouble finding the satellites, perhaps it is using the wrong data. This
can happen if you’ve entered the wrong data by accident when initializing
the receiver. For example, if you entered east longitude instead of west.
Or if you’ve moved a long distance with the unit turned off.
To send a cold start message to the receiver, high-
light the “Execute GPS Cold Start” label on the GPS
Setup menu, then press the right arrow key. A
message appears, asking you if you really want to
do a cold start. Follow the instructions on this mes-
sage page.
The unit will begin searching for the satellites. It
can take as long as 5 minutes for it to lock on to