E.4 “Maintenance” menu
As part of the follow-up on measurement quality, the user may be asked to perform a regular check of the performance
levels.
This check must take into consideration the customary measurement precautions. The following instructions should be
followed.
Any handling operations should be performed in the following reference conditions:
Temperature of the room: 23°C 1°C.
Relative humidity: 45 % to 75 %.
Following this check, should the user find that one or more characteristics of the device are outside the tolerances
specified in chapter E, said user may:
Either proceed with the appropriate adjustment, according to the following procedure, which requires equipment
which features at least the same performance levels as the one used for the previous check.
Or return the device to the following address for checking and adjustment.
E.4.1 Adjustment from the Maintenance menu
The instrument may be adjusted using an instrument with a precision of more than 50 ppm.
To adjust the device, go to the Configuration\Maintenance menu, enter the password 9456 and then press the VAL key.
Using the F1 function key, open the menu to access the following functions:
Init EEP:
Allows you to initialize part of the EEPROM (Calibrated Sensors Coefficient)
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