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OPERATING INSTRUCTIONS
Power Switch
The key turns the thermometer on or off. In the data SET mode, can not
power off, must leave data SET mode then power off.
°C/°F Selecting the Temperature Scale (Main display)
Reading the main 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.
HOLD Mode (only Main display)
Pressing the HOLD key to enter the Data Hold mode, the
"HOLD" annunciator is displayed. When HOLD mode is selected, the
thermometer held the present readings and stops all further measure-
ments.
Pressing the HOLD key again to cancel HOLD mode causing thermometer
to resume taking measurements.
In the MIN/MAX recording mode, press HOLD key to stop the recording.
Press HOLD key again to resume recording. (Previously recorded reading
are not erased).
Relative value Recall display mode.
Press REL RECALL key to display the Relative set value on second display.
Press REL RECALL key again to exit this mode.
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Содержание HH505
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