Xircom REX6000 Quick Start Manual page 12

Replacing REX's Batteries
Rex's batteries should last for 4 to 6 months. REX will display a warning
when the batteries are running low. Use two replacement batteries, size
CR2016, available at most electronic and watch stores. To replace
batteries:
1. Power off REX.
2. The battery compartments are on the edge nearest the buttons.
Position the REX card so the battery compartments are facing you.
Unbend a paper clip and insert its tip into the small hole on one of the
battery compartment doors.
3. Gently push the battery compartment door outward toward the
outside edge of the unit. Push the door out to about a 45-degree
angle with the body of the unit.
4. Remove the old battery and insert a new one with the positive (+)
side facing the front of the REX card.
5. Gently close the battery compartment door until it snaps shut.
6. Repeat the above steps for the second battery.
7. After replacing the batteries, you must recalibrate the touch screen
(see the picture in the next section). When you see the calibration
screen, touch the center of the on-screen target. We suggest using
the stylus rather than your finger, for greater accuracy. When the
target moves to a different location, touch its center again. Repeat
this step until the calibration screen disappears.
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