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10
Preparation
Cautions:
You must use a Class 2 power source that sup-
plies 9V AC and delivers at least 440 mA. Its plug
must fit the TAD's
AC 9V 440 mA
jack. The sup-
plied adapter meets these specifications. Using an adapter
that does not meet these specifications could damage the
TAD or the adapter.
• Always connect the AC adapter to the TAD before you con-
nect it to AC power. When you finish, disconnect the
adapter from AC power before you disconnect it from the
TAD.
Note:
When you first connect power,
0#0
0#00#0
0#0
flashes on the display,
then the TAD runs a self-test. You cannot operate the TAD dur-
ing this test. When the test is complete, the TAD beeps once,
then displays
33
3333
33
.
ˆ
Preparation
SETTING THE DAY AND TIME
To avoid having to reset the time if AC power is lost, we recom-
mend you install a battery before you set the day and time (see
“Installing the Backup Battery” on Page 8).
Note:
If you pause for more than 8 seconds during setup, the
TAD sounds a three-tone beep and stops setting the day and
time. If this happens, start over at Step 1.
!