5
Warning:
Never install or remove a
book card while your BOOKMAN is
turned on. If you do, information that
you have entered in the built-in book,
as well as in any other installed book
cards, may be erased.
1. Turn your BOOKMAN off.
2. Turn your BOOKMAN over.
3. Align the tabs of the book
card with the notches in the
slot.
4. Press the book card down
until it snaps into place.
Installing a Book Card
Installing Batteries
Your BOOKMAN 640 model is pow-
ered by four LR03 batteries (AAA bat-
teries). Here is how to install or
replace them.
Warning:
When the batteries lose
power or are removed from your
BOOKMAN, information that you en-
tered in its built-in book as well as in
any installed book card will be erased.
1. Turn your BOOKMAN over.
2. Slide off its battery cover in
the direction of the triangle.
3. Install the batteries as shown
in the diagram in the battery
compartment.
4. Replace the battery cover.
➤
Removing Book Cards
Warning:
When you remove a
book card to install another, informa-
tion that you entered in the removed
book card may be erased.
➤
Follow the Arrows
The flashing arrows on the right of
the screen show which arrow keys
you can press to move around the
screen.
