7
AM-570 / AM-550-EUR Function Buttons
Button Measurement Function
SELECT
Press the yellow SELECT button to select alternate
measurement functions on the rotary switch.
RANGE /
AUTO T1-T2
Manual or auto range switching for voltage current,
resistance and capacitance. The default setting is Auto
ranging, press to switch to manual ranging. Press for 2
seconds to return to auto-ranging.
T1 or T2 or T1-T2 function switching for temperature
measurement.
REL /
Relative mode / Press >2 seconds to turn ON or turn
OFF flash light.
MAX/MIN /
PEAK(1ms)
Press to enter Maximum / minimum reading memory
mode. Press again for naximum reading; press again for
minimum reading. Press > 2 seconds to exit maximum/
minimum reading mode.
Press > 2 seconds to enter Peak MAX/ Peak MIN mode.
Press again for Peak MAX reading; press again for Peak
MIN reading. Press > 2 seconds to exit Peak MAX/ Peak
MIN reading mode.
HOLD /
Display freezes present reading / press > 2 seconds to turn
ON or turn OFF LCD backlight.
Low imp. 400kΩ
For voltage measurement functions only. Press and hold
the button to change the input impedance of V and COM
terminal to 400kΩ. Release 400kΩ button to return to
normal input impedance of V and COM terminal (around
10MΩ).
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