HT Instruments T2000 Bedienungsanleitung Seite 48

5.5.3. Deleting the internal memory
1. Press the ON/OFF key (>2s) to switch off the instrument
2. Press both the ON/OFF key and the MEM key at the same time
3. The "Clr" message is shown on the display for a few seconds (see Fig. 32), the
instrument deletes all saved data and automatically switches on in measuring mode
5.6. SETTING OF ALARM THRESHOLDS IN RESISTANCE MEASUREMENT
1. Press the ON/OFF key to switch on the
2. Press and hold (>2s) the AL key in order to enter the alarm threshold setting section.
The screen below is shown:
Fig. 33: Setting of alarm thresholds in resistance measurement
3. Shortly press the A key (T2000), RS232 key (T2100) or  key to respectively
increase or decrease the limit value of the alarm threshold in the range: 1 ÷
4. Shortly press the AL key to confirm the alarm threshold value set and go back to
measuring mode.
Fig. 32
instrument.
EN – 19
T2000-T2100
199.