5
HD780
‐
en
‐
GB_V1.0
9/16
Operation
Button
Descriptions
Power
ON/OFF
the
meter
MAX/MIN
Select
MAX/MIN/AVG
P
M
Toggle
between
P1
and
P2
H
Freeze
the
readings
on
the
display
T
M
Toggle
between
T1
and
T2
(The
middle
display
shows
the
temperature
plus
the
offset.
See
the
SETUP
section
to
adjust
the
offset
values
for
T1
and
T2)
/SET
Press
once
to
power
ON/OFF
backlight
or
press
for
3
seconds
to
enter/exit
setup
mode
/UNITS
Change
the
pressure
units,
scroll
though
setup
options,
or
increase
the
displayed
setting
°F/°C
Change
the
temperature
units,
scroll
through
setup
options,
or
decrease
the
displayed
setting
Press
one
time
to
enter
setup
option.
Press
two
times
to
store
the
displayed
setting
into
memory
Display
Backlight
To
turn
the
display
backlight
ON,
momentarily
press
the
backlight
button.
To
turn
the
backlight
off
press
the
backlight
button
one
more
time.
Data
Hold
To
freeze
a
displayed
reading
on
the
LCD,
press
the
HOLD
button
one
time
(the
HOLD
icon
will
appear
on
the
bottom
left
portion
of
the
LCD).
To
exit
HOLD,
press
the
HOLD
button
again.
Units
of
Measure
The
currently
selected
unit
of
measure
is
shown
below
the
measurement
value
on
the
top
sections
of
the
meter’s
LCD.
To
change
the
unit
of
measure,
press
the
/UNITS
button
until
the
desired
unit
of
measure
appears.
Displaying
Pressure
Press
Unit
button
to
scroll
through
available
pressure
units
of
measure.
Press
P
M
button
to
toggle
between
P1,
P2,
P1
‐
P2
readings.
Displaying
Temperature
Press
unit
button
to
select
C/F.
Press
T
M
button
to
toggle
between
T1,
T2,
T1
‐
T2
readings.
The
display
shows
dashes
(
‐ ‐ ‐
)
when
there
is
no
thermocouple
connected.
The
display
shows
“OL”
when
the
temperature
being
measured
is
outside
the
thermocouple
range.
