40
u
u
u
u
u
Key lock ON/OFF setting
This function is intended to prevent erroneous key operation.
By pressing the key lock at “
” keys other than the
FUNC key will be inoperable.
To release the function, set at “
”.
Press the FUNC key in the measuring status and “
”
will be indicated.
Now press the
key and the key lock can be set.
The sub indication will flash.
Set the key lock ON or OFF by pressing the
key.
Press the ENT key when the key lock setting is finished.
Setting operation is now completed.
Note: When the key lock is set at “
” keys other than the FUNC key are inoperable.
NO
NO
NO
NO
NO
FUNC
ENT
∧
＞
