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The “
” key turns the thermometer on or off. In the SET
mode cannot be powered off. Exit SET mode to power
off.
APO function mode
Press “
” power key for more than 4 seconds to disable
the auto-power function.
The display will show “
*"Ê"
”.
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on, it is set to the temperature scale that was in use
when the thermometer was last turned off. To change
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” key.
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Press this key to enter the Data Hold mode, the “
"
”
annunciator is displayed. When HOLD mode is selected,
the thermometer holds the present readings and stops
all further measurements. Press the “
” key again to
cancel HOLD mode and resume measurements. In the
MAX/MIN recording mode, press “
” key to stop the
recording. Press “
” key again to resume recording.
(Previously recorded readings are not erased).
Backlight function mode
Press the “
” key for more than two seconds to turn
on the backlight. Press the key again for more than two
seconds to turn off the backlight. The backlight will
switch-off automatically after 30 seconds.
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The input selection indicates which input is selected
for main display; T1 thermocouple, T2 thermocouple or
