TESTO 871 - Using ScaleAssist for Scale Graduation

7 Performing the measurement
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4 - Move the joystick to the right, select Min.Temp. (lower limit value).
- Move the joystick up/down to set the value.
4.1 - Move the joystick to the right, select Min.Temp. (lower limit value)
and Max.Temp. (upper limit value).
- Move the joystick up/down to set the values.
4.2 - Move the joystick to the right, select Max.Temp. (upper limit value).
- Move the joystick up/down to set the value.
4.3 - If necessary, move the joystick to the left, back to the mode menu.
5 - Press OK.

Manual scaling is activated. M is displayed bottom right.
Setting ScaleAssist
The ScaleAssist function calculates a display-neutral scale depending on the
inside and outside temperature. This scale graduation can be used to detect
building defects.
1 - Select the Scale function.
2 - Press OK.
3 - In the mode menu, move the joystick up/down until ScaleAssist is
selected.
4 - Move the joystick to the right, select Indoor temperature.
- Move the joystick up/down to set the value.
5 - Move the joystick to the right, select Outdoor temperature.
- Move the joystick up/down to set the value.
6 - If necessary, move the joystick to the left, back to the mode menu.
7 - Activate ScaleAssist: press Ok.

Manual scaling is activated. S is displayed bottom right.