System Checkout Procedure - IBM 5280 User's Setup Procedures

94
SYSTEM CHECKOUT PROCEDURE
This procedure is designed to verify correct operation of your IBM 5280
Distributed Data System. If you have a problem or think you have done
something wrong that would prevent successful completion of the procedure,
feel free to set the Power switches to 0 (Off) position, wait a few seconds, set
the Power switches to 1 (On) position, and return to step 1.
1. Set the Power switches of all machines in your system to
(On) position.
After power has been turned on, all machines in your system will make
noise, and various test patterns will appear on the display screens.