IBM 7133 D40, Service Manual

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ID push buttons
5
: These three push buttons set the Subsystem ID that is shown on
the ID display
6
. You need a ball-point pen or similar instrument to press these push
buttons.
v
Press the left button to step one position through the four character positions of the
alphanumeric display. Press the button the appropriate number of times to select the
character position that you want to change.
v
Press the center button to step one character through the font of alphanumeric
characters. Press the button the appropriate number of times to select the character
that you want to enter.
v
Press the right button to store the selected ID.
If you do not press any button in 10 seconds, the display resets to its last known valid
entries.
Note: When you change the ID, you might need to reconfigure your 7133 to the using
system. See the “Additional Information” appendix (in this book) for your using
system.Configuring a 7133 to the Using System
If you hold all three buttons pressed until the display flashes (approximately 10
seconds), all bypass cards that are not jumpered for Forced Inline mode are reset to
Automatic mode (the default mode).
Chapter 1. Reference Information
11