EXP Computer CD Traveler Series CD-620, CD-820, CD-1020, and CD-2020 with Portable CD-ROM card - Manual (Page 9)

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POWER SWITCH
Stand-alone CD player
Pressing the POWER button (as shown in
„
of Figure 2) will switch the CD drive
power ‘on’ or ‘off’. The drive also has an inactivity timer which automatically
powered off if it has been idle more than 40 seconds.
CD-ROM operation
The POWER button will not function because the drive power is controlled by the
computer.
ON/BUSY LED (as shown in ‚ of Figure 1)
The LED indicate four status of the CD-Drive:
1. Power On: The LED will light dimly
2. Ready State: The LED will light brightly.
3. Accessing: The LED will blink when the drive is accessing the disc.
4. Cover Open: The LED will blink every 2 seconds.
EXT POWER LED (as shown in ƒ of Figure 1)
The LED indicates the external power state:
1. ON : The power supply is in the normal condition.
2. OFF: If you choose to use PCMCIA power direct.
3. BLINKING: External power is in use but power is low.
Low power may be caused by a malfunctioning AC adapter or when the batteries
are reaching the end of their service life. Check your AC adapter to see if it is
defective or improperly connected, or replace the old batteries with new ones.