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5.3.1 On / Off
Start the DTI by activating the softkey <ON/Off>. Following message will be shown in the
display:
SELF-CALIBRATION
AND TESTING 1
This information states that the internal references and the sensor coefficients are checked.
If the coefficients are incorrect an error message will occur which is described in section 7.3.
The next message shown in the display will be:
SELF-CALIBRATION
AND TESTING 2
In this step the A/D converter is calibrated which approximately takes 1 second. When the
calibration is over following message will be shown:
SELF-CALIBRATION
AND TESTING 3
Test 3 is an internal voltage reference check, which approximately takes 4 seconds.
When all the test have succeeded, the DTI will show the model type and last calibration date
in the display:
AMETEK
DTI-1000
CAL. DATE 940630
After this the input values will be shown in the display in the same format, as before the DTI
was shut off last time:
T1
23.65
°
C
T2
23.60
°
C
If there is no input signal or it is outside the measuring range a hyphen will be shown for that
specific channel.
