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F Increment and Decrement buttons
G Enter Push button
H Mode Selects
J Electronic Keystick Slot
K Secure
L Auto
M Normal
N Manual
If your control panel looks like Figure 77 on page 176, before you can use F
Increment and Decrement buttons and theG Enter push button, you need to press
H Mode Selects to select Manual mode N.
To determine how to activate functions 01 and 02 on a control panel, do the
following:
1. Does the control panel have an electronic keylock (a keystick)?
Yes No
↓ The IPL key mode (M or N only) is displayed. The IPL key modes,
Auto and Secure, are not supported. Follow function 01 and 02
procedures for system types that do not use a keystick.
2. Insert the keystick.
Press the Mode-selection button to select the IPL mode. Follow function 01 and
02 procedures for systems with an electronic keystick.
To select a function number, press the Increment (↑) or Decrement (↓) button on the
control panel. To activate the function, press Enter on the control panel while the
desired function number is displayed.
Note: The function that is displayed is not activated until you press Enter on the
control panel.
Control panel function descriptions (Models 270, 8xx, SB2,
SB3, and 890)
Customer control panel functions (Models 270, 8xx, SB2, SB3,
and 890)
Function 01–Display Selected IPL Type and IPL Speed (on Systems with a
Keystick): This function allows you to display the selected type and speed for the
next IPL.
1. Display IPL types (A, B, C, or D).
2. Display IPL speed (F, S, SE, V=F, or V=S).
When selected, function 01 displays the currently selected IPL type and IPL speed
values (where each (_) represents 1 character):
Chapter 5. Control Panel Functions 177