OPERATING INSTRUCTIONS
"
" Power Button
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 "APO OFF".
"°C/°F" Selecting the Temperature Scale
Readings are displayed in either degrees Celsius(°C) or
degrees Fahrenheit(°F). When the thermometer is turned
on, it is set to the temperature scale that was in use
when the thermometer was last turned off. To change
the temperature scale, press the "°C/°F" key.
"
" Mode (only Main display)
Press this key to enter the Data Hold mode, the "HOLD"
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.
"T1 T2/T1-T2" Main Display Input Selection
The input selection indicates which input is selected
for main display; T1 thermocouple, T2 thermocouple or
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