-21-set to enable , the bATT string and battery remaining time value (inMin or Sec) will be displayed in turns, changing every 2 sec.When the UPS is operating in battery mode, the buzzer beeps onceevery 4 seconds. If the ON button on the front panel is pressed formore than 1 second, the buzzer will stop beeping (silence mode).Press the ON button once again for more than 1 second to reset thealarm function.Figure 6.2 The Battery mode6.3 Bypass modeThe LCD display in bypass mode is shown as figure 6.3. Informationabout the mains power, the battery level, the UPS output and the loadlevel will be displayed. The UPS will beep once every 2 minutes inbypass mode. The bYPA string indicates that the UPS is operating inbypass mode.Figure 6.3 The Bypass mode6.4 No Output modeThe LCD display in No output mode is shown as figure 6.4. nformationabout the mains power, the battery level, the UPS output and the load