Changing Batteries - Casio Digital Diary SF-4000 Operation Manual

1-2 Changing Batteries
This unit is powered by three lithium batteries (CR2025). Low battery power
is indicated by a dim display, when the contrast is set to its strongest setting.
Replace batteries as soon as possible after weakened batteries are noticed.
Notice that the batteries of this unit are used for both normal operation and
memory back up. Be sure to follow the sequence described below to avoid
the loss of data while replacing batteries. Also, batteries should be replaced
at least once every two years no matter how much they have been used.
Also note that removing more than one battery from the unit at the same
time can cause data stored in memory to be changed. Remove batteries one
at a time only.
2. Remove screw (A)and battery cover A.
Then remove the old battery.
3. Wipe off a new battery with a dry cloth
and load it into the unit with the posi-
tive pole (@) facing upwards.
4. Press down on battery with the battery
cover A and replace screw @).
5. Repeat steps 1. through 4. to replace
batteries B and C. { 3]
BO"
[a [@) 7
ah
@|
reer
fasten it in place using the four screws. ca
7. Switch the power of the unit ON and
re
adjust the contrast using the procedures
C | |
-— IMPORTANT
@ Never allow batteries to come into contact with direct heat. Doing so |
can cause them to explode.
* Be sure to load batteries with positive poles facing upwards.
* Keep batteries out of the reach of small children. Contact a physician
| immediately if swallowed.