-21-Key operation DisplayTurn power offPEAK ZEROMEMUNIT1. Hold down MEM key2. Press POWER keyPEAK ZEROMEMUNITRelease POWER key onlyZERO Delete the data when last memory data is displayed.UNIT Display the statistics memory data.PEAK Output the memory data with RS-232C, and then move to standard measuring mode.Finish display of the memory data. (Turn power off)6.7.2.Single memory mode6.7.2.1.Measuring memory dataMEM MEMMEMLast memory numberDisplay one after the otherLast memory number-1 Memory number 1Memory data1. Turn POWER off. Press MEM key and hold, then press and release POWER. Release MEM when you see "Slg" on the display. Theunit will alternate between showing the data block number and the recorded measurement value of that block.2. Press MEM to review the previous data block recorded.3. Press UNIT to cycle through the available recorded statistics. In Single mode the available statistics are as follows: positive maximumvalue, negative maximum value, positive minimum value, negative minimum value, average value, standard deviation. This is coveredin greater detail in the next section.4. Press PEAK to output the recorded memory via RS-232C. Refer to section 6.2 regarding RS232C communication.Display one after the otherPlease release theMEM key after thevalue appears in thedisplay more than 1second.1.2.Display oneafter the other