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4. If the tip casing is on the heater, remove it and place it back in the tip. Then mount the
new heater.
5. After mounting the new heater, reassemble by reversing the disassembly procedures.
5-3 Temperature calibration (A tip thermometer is required)
Procedure
A. RX-701 series only
1. Set the required temperature for calibration by using the temper-
ature setting knob.
2. Measure the tip temperature by the tip thermometer after the set
temperature becomes stable.
3. Adjust so that the measured temperature matches the set tem-
perature by turning the calibration control (CAL.) slowly using a
standard screwdriver whilst measuring the temperature.
The tip temperature increases by turning the calibration control (CAL.) clockwise and
decreases by turning it counter-clockwise.
<Example> Temperature calibration at 350°C
.
1. Set the temperature to 350°C by using the temperature setting knob.
2. Measure the tip temperature by the tip thermometer after set temperature
becomes stable.
3. If the tip thermometer displays 330°C for example, adjust the temperature of solder-
ing tip to be 350°C by turning the calibration control (CAL.) slowly using a standard
screwdriver whilst checking the temperature.
B. RX-711 series only
1. Set the temperature display changeover switch to the SET position.
2. Set the required temperature for calibration on the digital display by using
the temperature setting knob.
3. Measure the tip temperature by the tip thermometer after the set
temperature becomes stable.
4. Adjust so that the measured temperature matches the set (dis-
played) temperature by turning the calibration control (CAL.)
slowly using a standard screwdriver whilst measuring.
The tip temperature increases by turning the calibration control
(CAL.) clockwise and decreases by turning it counter-clockwise.
<Example> Temperature calibration.
1. Set the temperature display changeover switch to the SET position.
2. Set the temperature at 350°C on the digital display by using the temperature setting
knob.
3. Measure the tip temperature by the tip thermometer after the set temperature
becomes stable.
