How can I check the Vpp voltage?
start the program, select a device, and highlight the Vpp button. Then press ‘T’. You can then press the Vpp button and change it to the value you want to test (you must press the new Vpp button at least once. You will want to put paper clips in the pin holes for the pins you want to measure as most meter probes won’t reach. In the DOS program, select function 88. Normal ranges for Vpp are as follows: 12.5V – 12.7 to 12.9 21V – 20.5 to 21.
