8. PARAMETER SETTINGS
●
Entering the parameters
The Hakko 942 has the following four parameters:
1)
°
C or
°
F temperature display selection
2) Auto power shuto
f
f
3) Low-temperature alarm tolerance setting
4) Resetting the supervisor/operator control setting
Once the station enters parameter mode, set the
parameters in the order shown belo
w
.
After all the
parameters have been set, normal operation will
be
resumed.
(1)
°
C or
°
F temperature display
1. Turn power OFF .
2. Insert the control card into the card slot in the
front of the unit.
3. Press and hold down the
and
buttons
simultaneously , and
then
turn
power ON.
4. Hold
and
buttons
down
until
the
display
shows
(Celsius) or
(Fahrenheit).
When either the display shows either
or
, the station is in parameter input mode.
• Pressing either the
and
button will
cause the display to alternate between
or
.
• When the desired scale is displayed, select
by pressing the
button. The system will
automatically sequence to auto power
shutof
f
mode.
(2) Auto power shutoff
This is an optional setting. When it is
activated and the soldering iron is not used
for 30 minutes, the power to the heating
element is shutoff automatically and the
buzzer will sound three times. When the
temperature decreases to 100
°
C/200
°
F
the display will show
. To begin
soldering, cycle the power switch OF
F,
then ON. The power will be turned on if
you hit any button before the temperature
decreases to 100
°
C/200
°
F.
To bypass this procedure and continue to
resetting the low temperature alarm
tolerance setting press the
button once.
To change the auto power shuto
f
f setting, the
procedure is as follows.
• The display will show
or
when this
mode is entered.
• Using
or
button will change
and
.
The auto power shuto
f
f is operational only when
is selected.
• Press the
button to enter the parameter
. This
will store the auto power shuto
f
f setting in
system memory . The system will automatically
sequence to the low temperature alarm
tolerance
setting.
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