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6600 COUNTS DIGITAL MULTIMETER
USER'S MANUAL
At V, Hz, ,:, A, mA and PA.
1. Press RANGE to enter the manual ranging mode.
2. Press RANGE to step through the ranges available for the selected function.
3. Press and hold RANGE for 2 seconds to return to autoranging.
2.3.3 REL
1. Press REL
to enter the Relative measurement mode. The sub-display will show the value measured at the
time when pressing the key(it is called the initial value), and the main-display shows the relative value that will be
equivalent to the present value minus the initial value. By pressing the key again the relative measurement state
will be exited. (Except Hz/Duty)
2. Power-up Option
Disables automatic power-off feature.
2.3.4 HOLD
1. Press it to enter the Data Hold mode. Used to maintain the measurement data unchanging, by pressing the
key again it will exit the Data Hold mode.
2. Pressing this key and last for 2 seconds,the meter will delay for 6 seconds,than enters HOLD mode.
3. Powering on the meter while pressing HOLD and lasts 2 seconds turns on all LCD segments until HOLD is
pressed again.
2.3.5 MAX/MIN
This key is for measuring maximum value and minimum value.
1. Press it to enter Max/Min mode. The main-display always shows the current value, and the sub-display shows
the Maximum Value.
2. Press it again; the sub-display will show the Minimum Value.
3. Press and hold it for two seconds, the meter will return to normal measurement state. (Except Hz/Duty)
2.3.6
1. Press this key and last for 2 seconds, backlight on; press it again, backlight off.
2. Press the key and the 'SHIFT' symbol will be displayed on LCD. Then press the RANGE key to enter into the
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