5. BEFORE YOU BEGIN MEASURING
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5.5.5 Setting the Key Lock
You can prevent unintentional operations on the instrument by enabling the key lock. The
key lock disables all the keys except for the power switch.
Mouse and touch panel control are also disabled.
• Enabling the Key Lock
Hold down SYS until the following message is displayed on the screen. While the key lock
is enabled, the key lock icon appears in the upper right of the screen.
Figure 5-12 Enabling the key lock
• Releasing the Key Lock
Hold down SYS until the following message is displayed on the screen.
Figure 5-13 Releasing the key lock
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