IBM 3151 User Manual page 107

Operator Messages
Area Message Meaning Action
4
HOLD SCREEN Shows that the screen To release the
update is suspended hold-screen status, press
when the Hold Screen
the Hold Screen key
key is pressed. again.
Note: This message
does not appear if
NO
is
selected for the
XOFF
option. In this case, the
screen update cannot be
suspended.
HOST BUSY
Appears when an XOFF Wait.
condition occurs at the
host system. This message disappears
when the display station
Note: This message receives an XON
does not appear if
NO
is character or you perform
selected for the
XOFF Clear Comm
in the
option.
FUNCTION
menu.
INVALID KEY
Appears when you press Press any valid key.
any invalid key.
KEYBOARD ERROR
Appears when any key is Retry the operation.
pressed and a keyboard
scan code error or
keyboard overrun occurs.
KEYS LOCKED
Appears when the None.
keyboard is locked by
the Set Keyboard Action This status is removed by
Mode command or when the Reset Keyboard
the keyboard buffer Action Mode command
becomes full. or the
keyboard-buffer-full
condition is removed.
Figure 4-2 (part 4 of 6). Operator Messages
4-6
User's Guide for the Cartridge to Emulate
IBM
and DEC Terminals