Toshiba ST-A20 SERIES Owner's Manual page 9

2. APPEARANCE
LED and CONTROL BUTTON
Power LED (Blue)
HDD LED (Yellow)
Power Switch
Brightness Control
Volume Control
DESCRIPTION
This is the LED to indicate the power ON/OFF
status of the POS terminal. The blue LED is
illuminated when the power is ON.
The yellow LED is illuminated during the
access to the hard disk drive.
This is the switch to turn the power of the POS
terminal ON or OFF.
This is used to adjust the brightness of the
operator's display.
This is used to adjust the volume of the
speaker.
2-3
EO1-12037
2.2 Available Options