Connect the electrode wire to the device

• Plug the electrode wire into the output located at the bottom (some models' outputs are located on the top) of the device. Depending on your needs, you may use one or two outputs.
• Ensure that the electrode wires are fully inserted into the output and secured. Make sure the wires are not loose.
• Repeat steps 1 & 2 to connect another wire.

Connect the electrode pads to the wires

• Each wire has two leads with snap-on connectors (some models use pin-insert connectors). Snap the wire connectors onto the snap buttons on the pads. Make sure that at least one pair (2 pieces) of pads is attached to the same wire.
• Check the snap connections to ensure they are fastened.

Place pads on your body

• Remove the plastic films on the pads.
• Place pads on the muscle you want to treat. 
• DO NOT place pads on artery, throat, bones or wound.
• DO NOT place pads near heart , on both sides of thorax or chest. 

Turn on the device

• Push the ''ON/OFF'' switch button to the ''ON'' position.
• Verify the channel indicator on the screen to make sure the device is on the same channel you wish to use. The letter A will blink to indicate channel A is working. The letter B will blink to indicate channel B is working.
  

Select modes and adjust intensity

• Select any mode by touching the mode icon the screen (If your device is non-touch screen, you have to press the ''M'' button to circle through modes).
• Adjust the intensity levels by pressing the ''-/+'' button.
  
• Set the timer by pressing the clock icon on the screen from 10 minutes up to 80 minutes (If your device is non-touch screen, you have to press the ''T'' button to adjust the timer).
• Pause the device by pressing the pause button (Some models don't have pause feature).
• Lock the screen by pressing the key button (Some models don't have lock screen feature).
• Switch between A/B channels by pressing ''A/B'' button or touch the letter ''A'' or ''B'' on the screen (Non-touch screen devices' A/B channel switch button are on the center).

Turn off the device

• Push the ''ON/OFF'' switch button to the ''OFF'' position.
• Unplug all the wires from the device.
• Remove the pads from your skin slowly and place them back on the provided pads holder or the protective plastic film.
• DO NOT remove the pads before you turn off the device.

• Snap on the oval shaped adhesive electrode pad to the Wi9 disc, apply the pad to your affected area, such as lower back.

• Plug the little black USB wireless transmitter in the charging port of the TENS unit.
  

• Turn on the Wi9 receiver disc first, (one or more than one if you need,) before you turn the TENS device. 
  

• Turn on wireless TENS/PMS device. After pairing, the Wi9 receiver disc should have light on A in blue and power light on in red; Then you see both TENS device or Wi9 receiver disc are at default channel A when both are on. If you want to use Channel B, you can switch from A to B by press the device and disc center button.
  

• Select mode and adjust intensity. Adjust timer.
  

• When you finish using the device, turn off the WI9 receiver and the TENS/PMS device. Take off pads from your body and store them properly.