EXP Computer CD-420, CD-421, CD-621, CD-821 With CD-ROM+ Card - Manual (Page 6)

POWER SOURCE
The PORTABLE CD-ROM can be either powered by the AC adapter or by
the batteries as a flexible option. However, the AC adapter has a priority
over the battery in powering the PD/CD-ROM. That means if you connect
the AC adapter, the PORTABLE CD-ROM will operate on it regardless if the
batteries are installed.
The PORTABLE CD-ROM will be turned on automatically when your
computer is powered on and the PCMCIA interface card is connected to the
computer and initialized. On the other hand, when you turn off your
computer or disconnect the PCMCIA interface card from your computer, the
PORTABLE CD-ROM will be powered off automatically. Such convenient
design ensures that users will not waste the battery power if the CD-ROM is
not in use.
The POWER LED indicates the power state, it will always light up when the
power supply is in the normal condition. The LED will flash if the power is
insufficient caused by a malfunctioning AC adapter or if the batteries are
reaching the end their service life. In this case, remove the old batteries
and replace with new batteries, or check your AC adapter to see if it is
defective or improperly connected.
The Power Source Switch located at the back panel must be set at
AC/Battery position at all time, unless you are using CD-420 which have the
option to draw the power from the PC Card slot. However, you need to make
sure your PC Card slot can supply 5V/1A to be able to power the CD-ROM
directly.
CONNECT THE AC ADAPTER
1. Connect the AC adapter plug to the DC IN jack at the rear panel of the
CD-ROM.
2. Attach the AC adapter to the AC power outlet.
INSTALLING THE BATTERIES
The PORTABLE CD-ROM requires eight AA size batteries (not included) for
operation. When using alkaline batteries, the battery life may last for more
than 3 hours if the PORTABLE CD-ROM is used in CD-ROM mode, it can
be even longer when the PORTABLE CD-ROM is used in CD-Audio mode.
You can also use NiCad rechargeable battery’s which have a shorter service
life. Both the rechargeable battery and the re-charger are NOT provided
with this unit.
To install the batteries, follow the instruction below:
1. Remove the disc from the PD.
2. Power off the PD by disconnecting the PCMCIA interface card from your
computer.
3. Turn over the PD drive and place horizontally.
4. Press and slide the battery lid in the direction of the arrow to remove it.
5. Install eight fresh AA batteries in the order as illustrated in Figure 4, and
make sure polarities are aligned properly. It is recommended that you
follow the order in the illustration to install the batteries with ease.
6. Please note that the battery ribbon must be arranged as shown in Figure
4. Otherwise, it will be difficult to remove the batteries.
7. Replace the battery lid.