Operation Manual

3
BOOKMAN model 640 uses four AAA
batteries. Here is how to install or re-
place them.
Warning: When the batteries lose
power or are removed from your
BOOKMAN, information that you
have entered in its built-in book as
well as in any installed book card will
be erased.
1. Turn BOOKMAN over.
2. Slide off its battery cover in
the direction of the triangle.
3. Install the batteries following
the diagram in the case.
4. Replace the battery cover.
Installing Batteries
➤ Resuming Where You Left Off
You can turn off BOOKMAN at
any screen. When you turn
BOOKMAN on again, the screen
that you last viewed appears.
Installing a Book Card
Warning: Never install or remove a
book card while your BOOKMAN is
turned on. If you do, information that
you entered in its built-in book as
well as in any other installed book
cards, will be erased.
1. Turn your BOOKMAN off.
2. Turn your BOOKMAN over.
3. Align the tabs on the book card
with the notches in the slot.
4. Press the book card down
until it snaps into place.
➤ Removing Book Cards
Warning: When you remove a
book card to install another,
information that you entered in the
removed book card will be erased.