7 Maintaining the product
30
8. With [] or [] set the TPM value to the value that is indicated
on the label of the reference oil bottle.
A maximum correction of +/-3% TPM is possible. If the
TPM value displayed deviates by more than 3% TPM from
the target value of the reference oil, a technical check of
the instrument by Testo Service is recommended.
9. Save with [Hold] and carry out further settings in the
configuration mode. Use [] to quit the configuration mode.
Carry out reset (delete adjustment and reset to factory setting)
1. Switch the instrument on, press and hold down [Hold] during
the display test for approx. 2 secs.
- When the PIN is deactivated, Alarm lights up in the
display.
2. Go through the configuration mode with [Hold], until rst and
yes or no light up in the display.
3. Select yes (=delete adjustment value and reset to factory
setting) or no (=no resetting of the adjustment value) with []
or [].
4. Confirm with [Hold].
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