Dog collar Press Mode button to choice the different mode(sound, vibration and static shock) and press the UP/Down button on right hand side to set level. Notes: These three modes could be combined freely, so please set those modes ,you don't want at the level 0 . Memory function Press M1 button to choice the memory group Adjust the right levels for each mode and press M2 to set the memory There are 3 memory groups for each channel Power Saving function for the transmitter and receiver The transmitter will go into STANDBY MODE if not operated for 2 minutes (the LCD screen is off) and will TURN OFF if not operated for 5 minutes. In STANDBY MODE, press mode button to wake it up. To TURN ON the transmitter, hold mode button at least 3 seconds. The receiver will turn into sleep mode if it is unused for 4 minutes. Any movement will activate the receiver into the working mode Mistake Prevention function To prevent your pet from the mistake operation, this system set the working time up to 10 seconds each time. Then you have to repress the launch button again to keep operating.