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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.
Installing Book CardsInstalling Batteries
➤ Resuming Where You Left Off
You can turn off your BOOKMAN
at any screen. When you turn your
BOOKMAN on again, the last
screen that you viewed appears.
Your BOOKMAN model NIV-640 uses
four AAA batteries. Here is how to in-
stall 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 and in an in-
stalled 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
on the diagram in the bat-
tery 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 will be erased.