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THE BAROMETER
Maximum and Minimum
1.
Press Button 0
to
enter
the
Memory mode.
2.
The memory
of maximum and
minimum
barometer
will
be
scrolled
on
the
display
automatically.
3.
To
reset
the
memory,
press
and
hold Button
B.
At the same time,
the memory for
the hygrometer and
the
thermometer
will
be
reset also.
4. Press Button
0
to quit or left It return
automatically
to
Normal
Mode after
30
seconds.
The Atmospheric
Pressure Bar Chart
1.
Press Button 0
to
enter
the
Bar
Chart Mode
2. The atmospheric pressure chart
records
the atmospheric changes
for
the past
12
hours and
it
will
be
scrolled on
the
display automatically
.
•
The
history hours are:
o H
=
Current
•
1 H
=
Past
I
hour
-
2 H
=
Past 2
hours
-
3
H
=
Past
3 hours
-
6 H
=
Past 6
hours
-
12
H
=
Past
12 hours
3.
To
reset
the
records,
press and hold
Button
B.
4.
Press Button
0 to
quit or
left
it retum
automatically
to
Normal
Mode after
30 seconds.
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THE ALTIMETER
•
Press Button
A
to
enter
the
Altimeter
mode.
Setting the
Altitude
1.
To
keep a cheel< and
re-adjust
the
altimeter, it will
lead to
the most
accurate
reading.
2. Press Button A
to
normal
mode
and then hold Button Aagain, the
altimeter digits will
start
to
flicker
3.
Press
Button B to set and then
press Button A to
confirm.
4. Repeat Step
3 to
set your desire
digits
Zeroing the Altitude
(Sea-level)
1. To
re-setting
the height at
sea-level, press Button A
to
Normal Mode.
2. Hold Button A again
until
all digits
are
reset to
zero.
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