19-9
IM WT5000-01EN
Key Lock (KEY LOCK)
When you enable the key lock, this Instrument behaves as described below. You can use the key lock to prevent
unintentional operations.
• All key operations are disabled except the power switch and KEY LOCK.
• The KEY LOCK key illuminates.
The key lock remains on or off even after the power is turned off.
Touch Lock (TOUCH LOCK)
When you enable the touch lock, this Instrument behaves as described below. You can use the key lock to
prevent unintentional operations.
• Touch panel operations are disabled.
• The TOUCH LOCK key illuminates.
The touch lock remains on or off even after the power is turned off.
Self-test (Selftest)
You can test the keyboard and memory operations.
Test Item (Test Item)
You can perform the following tests.
Memory (Memory)
Tests whether the internal memory is operating properly. If it is, “Pass” appears. If an error occurs, “Failed”
appears. After the test is completed, “Test Completed” appears.
Key Test (Key Board)
• Tests whether or not the front-panel keys are operating properly. If the name of the key that you press is
displayed, the key is operating properly.
• If the indicators on the front panel turn on and off in order when you press the left and right cursor keys, they
are operating properly.
• To exit the key test, press ESC twice.
Keyboard (Soft Key)
This test appears when you set Test Item to Key Board. You can test whether the keyboard displayed on the
screen is functioning properly. If the characters that you type appear correctly in the keyboard’s input box, the
keyboard is functioning properly.
Test Execution (Test Exec)
The selected self-test starts.
If an Error Occurs during a Self-Test
If an error occurs even after you perform self-tests numerous times, contact your nearest YOKOGAWA dealer.
19 Utility
