15UPS Setting Enter Setup interface. Press and hold the function setting key for morethan 2 seconds, then come to Setup interface, press and hold the inquiringkey ( , ) for more than half a second (less than 2 seconds), selectthe function setting, choose the setup interface, at the moment, the lettersflash. Enter the setup interface. Press and hold the function setting key formore than half a second (less than 2 seconds), then come to the setupinterface, at this time, the letters doesn’t flash any more, the numerical valueflash. Press and hold the inquiring key ( , ) for more than half asecond (less than 2 seconds), select the numerical value in accordance withthe function. Confirm the setup interface. After selecting numerical value, press and holdthe function setting for more than half a second (less than 2 seconds).Now, the setting function is completed and the numerical value illuminateswithout flashing. Exit from the setup interface. Press and hold function setting key formore than half a second (less than 2 seconds), exit from the setup interfaceand return to the main interface.Note: UPS could not be set until it is connected to the battery and it is turned off andswitched to Stdby mode (standby mode). Disconnect mains power after setting. The LCD display screen will automatically extinguish in about 1 min, and thesetting will be configured normally.5.4 UPS Settings Output voltage settingLCD display SettingsFor 208/220/230/240 VAC models, you may choose thefollowing output voltage:208: output voltage is 208Vac220: output voltage is 220Vac230 (default): output voltage is 230Vac240: output voltage is 240Vac