63
1
Display, analogue and numerical
2
Indicates a connection on the RS232 Interface
3
Analogue scale indicator (7 ranges, metric and inch + Auto Range)
4
Function keys: 9 touch-panel keys for TT20 and 10 keys for TT60
5
Measuring function indicator
6
Indicator, type of measuring function «maximum value», «minimum value», «diffe-
rence between maximum and minimum value» and «mean of the maximum and mini-
mum values» (only for TT60)
7
Calibration indicator
8
Tolerance mode indicator
9
Optical indicator classifying system signal:
«within tolerance» (green), «rework required» (yellow) and «reject» (red)
10 Indicator, voltage supply is out of tolerance
11 Indicator, function «Hold»
12 Stackable housing, and fold-under prop stand for two inclinations
13 Indicator, «keyboard locked»
14 Indicator, measuring function external/ internal dimension
AUTO RANGE
RANGE
A
B
MEM
Tol
M
HOLD
UNIT
Fig. 1
5
9
8
7
6
10
12
13 14
11
1
2
3
4
