Hakko Electronics 703B, Instruction Manual

Page: 16 / 26

PARAMETERS
The HAKKO 703B has the following parameters. Parameter settings can be adjusted.
1.
°
C or
°
F temperature display selection.
2. Heater-error temperature-tolerance.
3. Display of room temperature compensation value (test mode)
Once parameter-input mode has been entered, set the parameters in order shown below.
After all the parameters have been set, normal operation will be resumed.
Parameter input
mode.
1. Turn off the power switch. Press and hold the and
buttons simultaneously, then turn on the power switch.
2. Continue holding down the and buttons until the
display shows C (for Centigrade) or F (for Fahrenheit).
3. When the display shows C or F, the station is in
parameter-input mode.
1. Centigrade or
Fahrenheit
temperature display.
Enter parameter-input mode. Pressing the and
buttons will cause C and F to be displayed alternately.
Press
to select either C or F.
After selecting C or F for the temperature display, the
heater error temperature will be displayed with the 100’s
digit flashing.
2. Heater error
temperature-
tolerance.
Refer to P.18, “Heater Error”. Set the heater-error
temperature-tolerance in the same manner as described
in P.8 step 3. Be sure to use a value in the allowable
range.
Range of allowable heater-error temperatures
For C: 30 - 150
°
C For F: 60 - 300
°
F
If a temperature value outside of this range is selected, the
display will return to flashing the 100’s place. If this happens,
reenter a correct temperature value.
After setting the heater-error temperature-tolerance, the
display will show the room temperature compensation
value (test mode).
3. Room temperature
compensation
value. (Test Mode)
The display will not blink and the heater will not receive
power.
The room temperature compensation value is the
measured temperature of the soldering iron tip. This function
will be used later to calibrate the tip temperature. (See
“Calibration of Iron Temperature” on P.16)
No inputs are made here. Press to complete
parameter input. The soldering temperature setting will
be displayed for 2 seconds, after which power will be
supplied to the heater and normal temperature control
will begin.
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