The Operator Panel; Operator Controls - IBM R30 Operator's Manual

The Operator Panel

The operator panel is located behind the front bezel door. To access the operator panel,
rotate the top of the front bezel door downward.
The operator panel is controlled by the CPU and a special microprocessor located on the I/O
card, called SystemGuard.

Operator Controls

Power
Light
Reset/Scroll Button
Power Button
Power Light
Reset/Scroll Button
Operator Panel Display Displays status indication of the system
Key Mode Switch
2-2
Operator Guide
Power
3.5-Inch Diskette Drive
Button
In-Use Light
Operator Panel Display
Used to switch the power to the system on or off
Green LED: When lit, indicates all voltages in the power supply
are present and within specified limits and all fans are running.
The power-on light is also used to help analyze power and
cooling problems.
Used to reset the system unit, depending on the position of the
key mode switch. Also used to scroll the messages on the
Operator Panel Display.
Is a switch with three positions labeled:
3.5-Inch Diskette
Diskette Drive Eject
Button
Normal
Secure
Service
Key Mode Switch
, , and