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3. Use a Phillips screwdriver to remove the battery com-
partment screw on the bottom of the system and lift off
the cover.
4. Put the fresh batteries in the compartment as indicated
by the polarity symbols (+ and –) marked inside.
5. Replace the cover and tighten the screw. Reconnect
the phone line.
6. Turn the system over so you can see the display. After
you install batteries, the system displays
TWIN640
REV 1.6
(information about the system’s software),
SET LANGUAGE
, then
ENGLISH
(the default display
language).
7. To select another language, repeatedly press within
2 minutes. The display cycles through
FRENCH
,
SPANISH
, and
ENGLISH
.
Note: If you do not press any key within 2 minutes, the
system automatically selects English.
8. Press to store the selected language.
000
and
SET
AREA CODE
appear. The first
0
flashes.
9. Within 2 minutes, repeatedly press until the first digit
of your area code appears, then press to enter the
digit. The second
0
flashes.
Repeat this step to set the second and third digits of
your area code.
43-982.fm Page 9 Monday, August 16, 1999 5:01 PM