Testo 871 [30/52] Setting the scale

Testo 871 [30/52] Setting the scale
7 Performing the measurement
30
7.4 Setting the scale
Manual scaling can be activated instead of automatic scaling (continuous
automatic adjustment to the current min./max. values). The scale limits can be
set within the measurement range.
The activated mode is displayed bottom right: A automatic scaling, M manual
scaling and S OptiScale (ScaleAssist).
Auto-scaling continuously adjusts the scale to the readings presented,
and the colour assigned to a temperature value changes.
In manual scaling fixed limit values are defined, and the colour
assigned to a temperature value is fixed (important for visual image
comparisons).
Scaling influences the way the infrared image is shown on the display
but does not affect the recorded measuring values.
With ScaleAssist, a standardized scale is set depending on the inside
and outside temperature.
Setting automatic scaling
1 - Select the Scale function.
2 - Move the joystick up or down until Auto is selected and then press
OK.
Automatic scaling is activated. A is displayed bottom right.
Setting manual scaling
The lower limit value, the temperature range (upper and lower limit value
simultaneously) and the upper limit value can be set.
1 - Select the Scale function.
2 - Press OK.
3 - In the mode menu, move the joystick up/down until Manual is
selected.

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