User Manual

6 Using the product
37
If no readings appear during the measurement:
> Check the potential causes, see above.
Audio settings…(testo 875-2i only)
The volume of the audio playback and recording can be set.
1. [OK] | Configuration… | [OK] | Audio settings… | [OK].
- The Audio settings... dialogue is opened.
2. Move Joystick up/down to select the desired option.
- The selected option has an orange border ( ).
3. Move Joystick left/right to change the setting.
4. Confirm the settings with [Apply].
Format…
The memory card can be formatted. During the formatting, all
saved data on the SD card is lost.
1. [OK] | Configuration… | [OK] | Format… | [OK].
- A confirmation request appears as to whether the memory card
should really be formatted.
2. Confirm with [OK] or cancel process with [Esc].
Factory reset
The instrument settings can be reset to the factory settings.
Time/date and country settings are not reset.
Please note: After a factory reset, the numbering of images begins
anew. When saving images, images that have already been saved
and have the same number are overwritten!
> Transfer all saved images onto a PC before performing a reset
to prevent possible overwriting.
1. [OK] | Configuration… | [OK] | Factory settings… | [OK].
- A confirmation request appears as to whether the instrument
should really be reset to the factory settings.
2. Confirm reset with [OK] or cancel process with [Esc].