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Chapter 8. IBM 3501 Card Reader
Make Ready Procedure
The objective of the make ready procedure is to place the reader in a ready.condition
for reading the job's card input. Refer to Figure 8-1 for the location of the reader
controls used in this procedure.
1
Remove all cards from the hopper.
2
Turn the terminal's POWER switch on, if it is not already on.
3
Load the cards to be read in the hopper.
• Place the cards in the hopper face down, with the 9-edge towards the rear of the
reader and column 1 to your left, as is indicated on the reader hopper.
• Place the card weight on top of the cards.
4
If already in a job, press the GREEN (START) key; if starting a new job, pressing
the START key is not necessary.
• Both 3501 lights (status indicators) turn on when a job starts that defines the
card reader as the job's input device.
• The reader is in a ready condition, and reads under control of the system
controller.
Figure 8-1. 3501 Make Ready Procedure (Part 1 of 2)
IBM 3774 and 3775 Operating Procedures Guide
8-1
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