EXP Computer CDG-821 - Manual (Page 10)

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POWER SOURCE
The CD TRAVELER 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 CD-ROM. That means if you connect
the AC adapter, the CD TRAVELER will operate on it regardless if the
batteries are installed.
The CD TRAVELER 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 CD TRAVELER 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.
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.
CAUTION
Use only the AC adapter provided with this unit. Using the
incorrect AC adapter will result in permanent and unpredictable
damage to the CD TRAVELER.