-12-Press ZERO key to memorize the set value and come back from function mode to standardmeasuring mode.In order to cancel the change of function mode, press POWER key, then turn the POWER off.5.8.Function mode-endIt's available to set PEAK signal mode.Press the UNIT key to switch the PEAK signal mode. Press PEAK key to go back to f01.5.7 PEAK signal mode: f07Key operation DisplayPEAK ZEROMEMUNITPress UNIT to cyclethrough settingsZERO Save current setting and return to the standard measuring mode.PEAK Save the change and then move to f01.Not available PEAK signal PEAK signal mode: +PEAK PEAK signal mode: -PEAKKey OperationPOWER Turn the POWER ON/OFFZERO Tare (Peak reset at the PEAK Hold mode)PEAK Standard measuring mode / Plus peak hold mode / Minus peak hold modeUNIT Change the unitMEM Store the measuring data into memoryKey Operation How to operatePEAK + UNITPOWERTrackingON / OFFTurn POWER off. Press PEAK key and UNIT key simultaneously and hold, thenpress and release POWER key (release the PEAK key and UNIT key after the valueappears in the display more than 1 second.)ZERO +POWER Function modeTurn POWER off. Press ZERO key and hold, then press POWER key and release(release ZERO key after the value appears in the display more than 1 second).Function mode;UNIT: Change the setting contentPEAK: Switch the functionZERO: Register the setting contentUNIT +POWER Reverse display Turn POWER off. Press UNIT key and hold, then press POWER key and release(release the UNIT key after the value appears in the display more than 1 second.)MEM +POWER Display memory dataTurn POWER off. Press MEM key and hold, then press POWER key and release(release MEM key after the value appears in the display more than 1 second.)Display memory data;UNIT: Display the statistical dataPEAK: Memory data display endZERO: Delete one memory dataHold ZERO key to delete all dataMEM: Next memory dataPEAK +POWERComparatormemory mode settingTurn POWER off. Press PEAK key and hold, then press POWER key and release.In this setting;UNIT : Change sign, number and memory modePEAK : Change the setting contentZERO : Shift the digitMEM : Register the setting content6.Feature and Operation6.1.Overview of operation1. Basic operation2. Special operation