user manual

ND-20292
CHAPTER 7
APRIL, 1990
‘, NOTE&
NOTE 3:
should be unplugged from the PC-8300 first.
Be certain that only the PC-8271A-01 is
used. Damage to the PC-8300 personal
computer may be caused by the use of any
other adapter.
Before connecting the AC power adapter to
the PC-8300, make sure to turn the
computer and all the peripherals OFF.
740.3 BATTERY BACKUP
1.
Make sure the power switch located on the right
side of the PC-8300 is set to the OFF position.
See
Figure 700-14 PC-8300 Power Switch.
Figure 700-14
PC-8300 Power Switch
2.
Remove the cover of the battery compartment. See
Figure 700-15 PC-8300 Battery Compartment
Cover.
Figure 700-15 PC-8300 Battery Compartment Cover
3. Install four AA size dry batteries in the battery
compartment. See Figure 700-16 PC-8300 Battery
Installation.
4.
Replace the cover of the battery compartment.
5. Turn ON the battery backup switch (located on the
bottom of the PC-8300). See Figure 700-17 PC-
8300 Battery Backup Switch.
NOTE 1: As outlined in the section on batteries, the
backup power source consists of internal
nickel cadmium batteries. The Backup
Power switch located on the bottom of the
Figure 700-16
PC-8300 Battery Installation
Figure 700-17
PC-8300 Battery Backup Switch
NOTE 2:
PC-8300 must be in the ON position for the
computer to operate.
If the PC-8300 is stored and is unused for
more than 30 days, the backup power switch
should be set to OFF to prevent the total
discharge of the batteries and deterioration
in performance.
740.4
FLOPPY DISK UNIT PC-8231A
CONNECTION
1. Power to the micro floppy disk unit is supplied by
an AC pack (included) or by an optional battery
pack. When using the unit in the home or office,
AC power can be obtained by inserting the AC
pack. See Figure 700-18 Inserting the AC Power
Pack. Insert the AC pack into the device until it
clicks, thus making sure that it will not pop out
during use. The inlet is usually covered by a
sliding cover.
2.
The lid of the PC-8231A is opened by the slide lock
buttons on the left and right side of the unit.
See
Figure 700-19 Opening the PC-8231A Lid. Place
your hands on both of these buttons and lift the top
half of the unit while pulling these slide lock
buttons. Raise the front side of the unit
approximately 5cm and the lid will automatically
open and the front side of the unit will slowly come
down. The lid will support the disk unit in the
open position.
700-7