IBM e Server i Series Manual page 50

Figure 2. Control panel with Electronic Keystick
44
43xx Disk Unit, 71xx Disk Expansion Unit, 71xx Disk Unit Enclosure V5R3
A
Power On Light
v A blinking light indicates power to the unit.
v A constant light indicates that the unit is on and working.
B
Power Push button
C
Processor Activity
D
System Attention
E
Function/Data Display
F
Increment/Decrement buttons
G
Enter Push button
H
Mode Selects
J
Electronic Keystick Slot
K
Secure
L
Auto
M
Normal
N
Manual