INST.No.INE-378-P9CE
- 37 -
6.6 Key lock
This mode is for the locking of the function keys temporally when you do not want to change the
programmed parameters.
1
) To activate the key lock, press
SEL
,
△
and
ENT
keys
simultaneously for 2 seconds in the measurement mode screen
until “
Lock
” appears in the sub display.
2) During the key lock, “
Lock
” is displayed in the sub display as
shown in the right figure.
3) To release the key lock, press
SEL
,
△
and
ENT
keys
simultaneously for 2 seconds in the condition that “
Lock
” is
displayed in the sub display.
4) “
Lock
” will disappear and the screen will return to the
measurement mode screen.
Tb
CONT
MEM
PEAK
AL
AH
C
F
ε
[ Key lock ]
Sub display
Main display