Thommen HM30 - Page 19

19
e
Operating mode
Mixed Mode
Operating mode
Barometric
pressure QFE
Reduced barome-
tric pressure QNH
2)
Temperature 1
Temperature 2
Relative humidity
Dewpoint calculated
from temperature 1
and humidity
Altitude
Applicable keys and
mode of function
Current
measured
values
BARO/HUMI
1)
TEMP1/TEMP2
Present meas.
value/diff.
measurement
BARO
DIFF
QNH
DIFF
TEMP1
DIFF
TEMP2
DIFF
HUMI
DIFF
DEW
DIFF
ALTI
DIFF
[CLEAR]
sets diff. value
to zero
--
--
Present meas.
value
(Zoom)
BARO
QNH
TEMP1
TEMP2
HUMI
DEW
ALTI
--
--
--
Present meas.
value/ trend.
mesurement
BARO
TEND
QNH
TEND
TEMP1
TEND
TEMP2
TEND
HUMI
TEND
DEW
TEND
ALTI
TEND
[CLEAR]
sets trend
value to zero
--
--
Peak value
storage
max/min
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
[CLEAR]
ses max/min to
actual
measured
valuet
--
--
Present meas.
value/frozen
meas. value
BARO
HOLD
QNH
HOLD
TEMP1
HOLD
TEMP2
HOLD
HUMI
HOLD
DEW
HOLD
ALTI
HOLD
[HOLD]
freezes the
actual
measured
value
Datalogging
REC
Datalogging
REC
REC
REC
REC
REC
REC
REC
[START/STOP]
starts/stop the
measured value
[CLEAR]
>2sec: clears the
measured value
memory
Printout/Display
of recorded
measured values
PRT
Printout/Display
of recorded
measured values
PRT
PRT
PRT
PRT
PRT
PRT
PRT
[START/STOP]
<1sec: all values
>1sec: individual
values
starts/stops printout
and display of the
values
Display/function
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