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REL Relative mode
Pressing REL key to enter the Relative mode, zero the display, and store
the displayed Reading as a reference value and annunciator REL is
displayed. Present temperature reading displayed on second display.
Press REL key again to exit the relative mode.
The relative value can also be entered by the user. (See "SET mode" later
in this manual.)
When the desired Relative value has been entered, press REL key to enter
the Relative mode, press SET key use set Relative value as a reference
value. Press REL key again to exit the relative mode.
In the Relative mode, the value (can not >±3000.0 counts) shown on the
LCD is always the difference between the stored reference and the present
reading.
°C/°F Selecting the Temperature Scale (Second display)
Readings the second 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.
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Содержание HH505
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