Hioki RM3545, Instruction Manual, Page: 134 / 364

7.1 Disabling and Enabling Key Operations
126
Activate the key-lock function to disable the instrument’s front panel key operations.
Three key-lock levels are available to suit specific purposes.
7.1 Disabling and Enabling Key Operations
Disabling Key Operations (Key-Lock Function)
Asserting (ON) the EXT I/O KEY_LOCK signal disables all panel keys, in-
cluding
MENU [UNLOCK] (key-lock cancel) and MENU [LOCAL] (dis-
ables remote control). However, the ENTER (trigger) key remains
enabled (p. 175).
To cancel the key lock state: Turn OFF the EXT I/O KEY_LOCK signal.
Disabling All Panel Keys
All key operations are
disabled.
All key operations except ENTER (trigger) and MENU [UNLOCK] (key-
lock cancel) 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 can-
celed).
Key operations other than AUTO , RANGE
▲▼
,
SPEED , COMP ,
PANEL , 0ADJ , PRINT , ENTER (trigger) and MENU [UNLOCK] (key-lock
cancel) 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 basic settings
(range, speed, com-
parator, panel load)
are enabled.
1
Display the Key Lock
Selection screen.
Switch the function menu
to P.2/3.
1
2