IBM 6400 - Model 008 B/W Line-matrix Printer Operator's Manual page 23

Scroll
This key operates only in NOT READY
state. Press Stop to place the printer
in the NOT READY state. (See
page 14.)
In PROGRAM state, this key scrolls
forward through the options in the
current level of the operator menu.
Scroll ±
This key operates only in NOT READY
state. Press Stop to place the printer
in the NOT READY state. (See
page 14.)
In PROGRAM state, this key scrolls
backward through the options in the
current level of the operator menu.
Scroll ±
Scroll
+
In NOT READY state, press Scroll +
±
Scroll at the same time to switch
PROGRAM state between locked and
unlocked.
When PROGRAM state is locked, no
configuration changes can be made.
When PROGRAM state is unlocked,
you may select new values from the
operator menus using the Enter key.
Operator' s Guide
using the operator panel
Scroll
Scroll
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