Hexagon TT80 - Front Face

4.2 Front face
1 Numerical/Analogue display.
2 Flashing unit, telling the operator that the RS232 interface is busy.
3 Analogue indication (9 metric or inch ranges + 1 Auto Range).
4 10 Function keys.
5 Actual measuring function.
6 Measurement «maximum value», «minimum value», «difference between maximum
and minimum values», «mean of maximum and minimum value».
7 Calibration mode.
8 Tolerance mode.
9 LED of assigned quality class with green for «Good», amber for «Rework» and red
for «Scrap». In the TT90-UPC mode, these LEDs indicate the status of the measure-
ment cycle.
10 Low supply voltage.
11 Mode «HOLD».
12 Stackable outer case, 2 sloping positions.
13 Mode «Locked keypad»
14 Measurement-type (internal or external).
AUTO RANGE
RANGE
A
B
MEM
Tol
M
HOLD
UNIT
RS
ON
OFF
18
IN / OUT EXT. P DC 7,3V ON
AB
Fig. 1
5
9
8
7
6
10 12 13 1411 1 23
4
8