Measurement Mode; Tolerance Mode - Hexagon TT20 Mode D'emploi

6.5.1 Measurement Mode

In this mode, the instrument reads permanently both input channels A and B and displays
instantly the measured value of the measuring function.
Sends the displayed value to the RS232 output. During the transmission
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time the
6.5.2 Hold Mode «HOLD»
In this mode, the instrument is in a wait mode.
The instrument passes into measurement mode until release of this key.
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At release, the reading of the 2 input channels A and B is interrupted.
The instrument memorises the last value of channel A and channel B,
and displays the result of the function. This result is also sent to the out-
put RS232. During the transmission time the
screen.
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The key , the external input switch socket (No 5 Fig. 2) and the pins 7 and 14 of
the 15 pin connector (No 6 Fig. 2) have the same function.
6.6

Tolerance Mode

Tol
Enable the measurement with classification by LED and by relay on the Sub-D 15 pin soc-
ket. Enable also the use of output 40 classes within tolerance for TT60.
In standard measuring mode, the classification by LCD is deactivated but enabled, for
example, when using a programmable automatic device connected to the classification
output, to set the measuring device without interaction of the automate.
Once set, switch to tolerance mode and take the measurements.
Tol
Push 1, displays the value of the
upper tolerance as also its posi-
tion on the analogue range.
68
sign appears on the screen.
sign appears on the