Question: Range

Answer: toggles between Auto Ranging and Manual Ranging

Question: REC

Answer: activates recording of minimum and maximum vales

Question: REL

Answer: activates relative mode, which sets display to zero and factors out undesired readings

Question: Function

Answer: toggles between Continuity and Diode test on the Ohm setting.

toggles between degrees Celsius and Fahrenheit on the TEMP setting.

toggles between RPM mS pulse width, duty cycle, or dwell angle on IG setting

Question: AC/DC

Answer: toggles between Alternating Current or Direct Current

Question: Hold

Answer: freezes a value on the display

Question: LPF

Answer: Low Pass Filter removes excess “noise” on AC and DC Voltage signals

Question: Peak-H

Answer: activates the 1mS Peak Hold function on DC Voltage and Amp settings

Question: STR

Answer: toggles between 2 and 4 strokes engines on IG and IP

Question: Trig +/-

Answer: toggles between a positive or negative trigger value on IG and IP rotary dial settings