Grant Optima T100 Mode D'emploi page 16

5.2.7 Restoring factory calibration settings
The restore factory calibration allows the unit settings to be reset if there is a problem
during calibration or you wish to cancel any of the calibration settings.
1. Press the F and S buttons
shown.
2. Rotate the dial until the display shows
3. Press the S button four times
sound the buzzer to confirm the factory reset has been completed.
5.2.8 Adjusting display brightness
The brightness of the display can be adjusted over a limited range (20% to 100%) if
required.
1. Press F and S buttons simultaneously for approximately 5 seconds until the display
shows LCAL .
2. Rotate the dial until the display shows disP and press the S button to select.
3. Rotate the dial between the settings and select required brightness
The displayed values show the display brightness
4. Press S button to save the value.
5. Press F button to return to the normal temperature display.
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ress the S button to select.
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LCAL is
T100 & TC120
Operating Manual