User Manual

GMC-I Messtechnik GmbH 13
Operating Overview – Connections, Keys, Rotary Switch, Symbols
Symbols Used in the Digital Display
1 Battery level indicator
2 NUM: Numeric entry of the output signal
3 INT: Interval sequence active
4 RAMP: Ramp function active
5 SINK: Current sink active
6 SOURCE: Current source active
7 ON: Calibrator output active
8 IR: infrared interface indicator
9 Auxiliary display with decimal point and polarity display
10 STORE: memory mode active
11 Selected type of current
12 Transformation ratio (current clamp factor)
13 Diode measurement selected
14 Unit of measure
15 Continuity test with acoustic signal active
16 : Continuous operation (automatic shutdown deactivated)
17 Digital display with decimal point and polarity display
18 RTD: selected nickel or platinum resistance thermometer
19 TC: temperature measurement with thermocouple types B through U
20 MAN: manual measuring range selection active
21 DATA: display memory, “freeze measured value”
22 max/min: Min-Max value storage
23 Δ: relative measurement with reference to offset
24 ZERO: zero balancing active
1 28
9
14
16
18
654 7
9
3
Battery full
*
Battery OK
*
Battery weak
Battery (almost) dead, U < 1.8 V
Data transmission ↓ to / ↑ from calibrator active
IR interface in stand-by mode
(ready to receive power-up commands)
Battery Level Indicator
Interface Indicator (with rotary switch setting ≠ OFF)
11
13
10
15
22 242120
19
17
23
12
* Calibration function: current I
Sink
possible (U > 2.3 V)