HT instruments T2100 - Manual (Page 9)

T2000-T2100
EN – 8
4.4. SWITCHING ON/OFF THE INSTRUMENT
CAUTION
 When switching on the instrument, do not operate the clamp lever, do not
open the clamp and do not clamp any cable.
 When the message “OL. ” appears on the display, it is possible to open
the clamp and clamp a cable being measured.
 Open and close the jaws twice before switching on the instrument in order
to check that the clamp properly closes.
 After switching on the instrument, keep it under normal conditions without
applying any pressure on the clamp in order to maintain measuring
accuracy.
1. Press and hold the multifunction key “ 1” for more than 2 seconds to switch on the
instrument. In a sequence, the instrument displays:
 The screen with all existing symbols (see Fig. 2 – left side)
 The screen with the loaded firmware version (see Fig. 2 – central part)
 Carries out the calibration process, showing a countdown which starts from “
CAL.5”
and comes down to “
CAL.0” (see Fig. 2 – right side).
Fig. 2: Sequence of screens upon switching on the instrument
2. If, during the instrument’s calibration process,
the clamp is opened before the indication
“CAL3” of the countdown is displayed, the
screen in Fig. 3 appears. After the clamp is
closed, the calibration process starts once
again automatically from the beginning.
Fig. 3
3. At the end of the switching-on sequence,
under normal operating conditions, the screen
in Fig. 4 appears on the display, associated
with a continuous sound.
Fig. 4
4. To switch off the instrument once you have
finished to use it, press and hold the
multifunction key “
1” for more than 3 seconds
and the screen in Fig. 5 will appear for a few
seconds.
Fig. 5
5. Approximately 5 minutes after switching on the instrument, if it remains idle, an auto-
power off procedure starts in order to spare the charge of the internal batteries.