Hioki RM3542, Инструкция по эксплуатации, Страница: 65 / 218

5.1 Disabling and Enabling Key Operations
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5
Activate the key-lock function to disable the instrument’s front panel key operations.
Three key-lock levels are available to suit specific purposes.
System Settings
Chapter 5
5.1 Disabling and Enabling Key Operations
Disabling Key Operations (Key-Lock Function)
Key operations other than comparator settings (REF%, ABS, units and tenkeys)
and
F1 [UNLOCK] keys are disabled.
To disable key operations: select [MENU]
[M.LOCK] is displayed when returning to the measurement screen.
Disabling All Except Comparator Settings
Only comparator
settings are enabled.
All key operations except F1 [UNLOCK] are disabled.
To disable key operations: select [FULL]
[F.LOCK] is displayed when returning to the measurement screen.
Disabling All Key Operations Including Comparator
Settings
Key operations to
change settings are
disabled (although key-
lock can be canceled).
Asserting (Low) the EXT I/O KEY_LOCK signal disables all panel keys, including
F1 [UNLOCK] and F1 [LOCAL] (disables remote control) (p. 85).
To disable the key-lock function and re-enable the keys, de-assert (High) the
KEY_LOCK signal.
Disabling All Panel Keys
All key operations are
disabled.
1
Open the Basic Settings screen.
2
Enable or disable key operations.
3
Return to the Measurement screen.
The Basic Settings screen appears.
1
Selection
2
Key operations enabled (default)
Disable all except key-lock cancel
Disable all except key-lock cancel and
comparator setting change
[UNLOCK] is displayed only
when key-lock is enabled by
front panel key operations.