Thommen HM30 - Switching on and off; Modes

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3.4 Switching on and off
Switching on
Switching off or automatic cut-out 1,
10, 30 or 60 min. after
the last keystroke.
In the case of a temperature change the
instrument requires at least 30 minutes to
adapt to the new ambient temperature
(instrument OFF).
3.5 Modes
The following operating modes and functions
according to the table below can be selected
bypressing respectively
successively.
On switching on, the instrument is always in
the last selected operating mode.
TEMP2
Pin Signal
1 Pt 100 power supply +
2 Pt 100 measuring input +
3 Earth
4 Pt 100 measuring input -
5 Pt 100 power supply -
Legend to the table of the next page:
1)
Baro, QNH or altitude according to the setting
in Setup.
2)
The present altitude is stored when switching
off in the QNH mode. On next switching on,
this altitude is used as a basis for the
QNH calculation.