Non-Volatile Update - Racal Instruments 1256 Manual

1256 User Manual

Non-Volatile Update

SCPI Command Basics 5-40
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For example, the command:
SYST:KLOCK ON
will cause the 1256 to display a remote operation screen on the
display with a message indicating that local mode is in a lockout
condition.
The command:
SYST:KLOCK OFF
will also display a remote operation screen, however, the fourth
line will indicate a local option the user can activate by pressing
the fourth line soft key.
To query the present lockout state:
SYST:KLOCK?
will reply with either ON or OFF depending on the present state of
the 1256.
The 1256 operates in either automatic or manual user-interface
lockout mode. In either case, the 1256 will always power-up in
local mode. In manual lockout mode, the SYSTEM:KLOCK ON
command must be explicitly issued to prevent local operations. In
automatic lockout mode, any remote command detected by the
1256 puts the instrument in remote mode with lockout mode
automatically enabled. To allow local access, the 1256 must
receive a SYSTEM:KLOCK OFF command or experience a power
cycle event.
To make a lockout election from the user interface, select
-----SETTINGS-----
Type: Display on the second line, and Option: Lockout
from the third line and then choose the appropriate setting. The
default power-up state of the instrument is automatic mode
disabled. To elect a different power-up state, this setting like all
other menu options can be saved to non-volatile memory. For
further details on front-panel usage refer to Chapter 3: USING
THE FRONT PANEL CONTROLS.
The syntax for this command is shown below:
:SYSTem
:NVUPD
:NVUPD?
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