IBM 4331 Installation, Setup, Operations, And Problem Determination Manual page 26

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R-ADDR:
ADDR:
Indicates the address to be used for the address
comparison.
ADDR appears if the processor is in ECPS:DOS/VS mode.
R-ADDR appears if the processor is in System/370
compatibility mode.
Line 23 Display
SP MESSAGES
LOG PENDING
Messages to service personnel Appears when customer manual
ops are performed and a log is pending
Can be any message to service personnel originating in the
processor hardware.
CA/ILT
Shows the status of the communications adapter.
See CA lnline Tests for details of this display. Reserved
for service personnel.
STATUS, REF CODE
Shows status and reference code of current diagnostic
program. This information is for service personnel.
Line 25 Display
Insert Indicator
The operator console is in insert mode.
This indicator goes on when you press INSERT.
Press RESET
or ENTER or any of the PF keys to turn it off.
Wrong Place Indicator
The keyboard is inhibited (except for the RESET key).
An attempt has been made to enter, insert, or delete a
character when the cursor is in a protected field on the
screen. Press RESET to free the keyboard.
Wait Indicator
The system has locked the keyboard because CNCL, REQ, or
PF1-12 has been pressed but the corresponding program
interruption has not yet occurred.
Before the interruption has occurred you can still free the
keyboard by pressing RESET.
Shift Indicator
The shift key is depressed.
Release the SHIFT key, or reset the SHIFT LOCK to terminate
Communicating with the System
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