Features:

Constant temperature with backlight, rapid temperature rise, the temperature can be adjustable.

Can be applied to power bank, recharger, car USB interface, etc.

Large screen of high-definition digital display can display temperature clearly and accurately.

Equipped with lead-free soldering iron tip and stainless-steel heating element to increase welding life.

Power on:

When the plug in the power, please press * key, the power will be on.

The acquiescence temperature is 350℃.

Set temperature:

When the power is on, if you need to adjust the temperature, please press theorkey to set the temperature you want, this time the LCD will display the twinkling value of set temperature. The temperature will go up or down 5℃ when you press once. After 3 seconds, the iron will go back to work, and display the new temperature you set.

Temperature calibrating:

If the real temperature and the display temperature with deviation, then we need to calibrate the soldering iron. When the power is on, and the temperature is constant, test the real temperature by thermometer (We recommend the soldering iron thermometer), then press the * for one time to go into calibrating, then input the value of deviation by orkey, after 3 seconds the iron will go back to work, then temperature calibration is finished.

For example:

The display temperature is 350℃, but the real temperature be tested is 380℃, then press * key to go into calibrating, and press thekey to set down 30℃, after 3 seconds the iron will go back to work, then finish temperature calibrating.

Turn off:

Keep press the * key for 3 seconds, the iron will turn off automatic.

Warning: Disconnect the power plug before servicing. It must be replaced by the manufacture or similarity qualified person to avoid personal injury or damage to the unit.

Power supply modes:

988 USB5 with some power supply modes, such as Power adapter, Battery pack, please choose the one you need.