Panasonic KX-TD500 System Reference Manual page 859

13.00 Switching Programming
mode
When you are in VT programming mode, you can
switch to the Dumb programming mode by
pressing the CTRL key and "V" key
simultaneously in the Main Menu screen.
To switch back, press the CTRL key and "V" key
simultaneously in the Pre-Entering mode. The
Main Menu screen of the VT mode is displayed.
Main Menu
CTRL
Pre-entering mode
; Select the mode
; Programming mode -------- PRG
; Operation mode
; (displays command information-- HLP)
; >
This operation is available only in the VT mode or
Dumb mode.
Switching from the Dumb mode to the VT mode is
impossible when the CPU SYSTEM SW is "3"
(Dumb mode) or the system administration device
in Operation (2/3) screen is set to the Dumb
terminal.
For further details of operation after switching to
the Dumb mode, refer to Section 9, 11 or 16.
V
+
------------ OPE
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