TESTO 872 - Activating External Values

7 Performing the measurement
22
5.1
- P A vs. P B selection:
o Move the joystick to the right → select measuring point 1 →
press OK → move the measuring point to the live image using
the joystick → press OK.
o Move the joystick to the right → select measuring point 2 →
press OK → move the measuring point to the live image using
the joystick → press OK.
5.2
- P A vs. Probe selection:
o Move the joystick to the right → select measuring point 1 →
press OK → move the measuring point to the live image using
the joystick → press OK.
5.3
- P A vs. Value selection:
o Move the joystick to the right → select measuring point 1 →
press OK → move the measuring point to the live image using
the joystick → press OK.
o Move the joystick to the right, set the value manually.
5.4
- P A vs. RTC selection:
o Move the joystick to the right → select measuring point 1 →
press OK → move the measuring point to the live image using
the joystick → press OK.
o Move the joystick to the right, set the RTC value in the
Emissivity menu, see the section "Setting RTC".

The differential temperature is shown in the top centre of the display.
6
- End measurement: Select Active and press OK (no check mark).
7.1.4 Activating external values
1
- Open Menu.
2
- Select Measurement settings.

The Measurement settings menu opens.
3
- Select External values and press OK.
4
- Activate humidity, current, voltage, solar or power.
If no radio probe is connected, values must be entered
manually.