IBM eServer iSeries 8 Series Manual page 26

Figure 5. Control panel with Electronic Keystick
22
Upgrading the System Unit from Operations Console to Twinaxial Console (5540) V5R2
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