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Note :
1. BLUE KEY switch and RANGE Switch resets all special modes other than %HZ mode .
2. %HZ switch is only used to toggle between frequency measurement mode and voltage or current measurement
mode, and thus can not be nested in any other special modes.
3. The bar graph always shows the current value, regardless of special mode.
7. Light switch Press the switch to turn on or turn off the back-light.
8.
%
HZ If %HZ switch is pushed in voltage or current measurement mode, the meter enters frequency counter mode
with automatic range selection. Therefore, pressing RANGE switch in %HZ mode does not change the
frequency range. However, RANGE switch changes the sensitivity of frequency detection. If the input signal has
a small amplitude, the user shall increase the sensitivity.
Note : Since % HZ mode is treated as a temporary frequency measurement in voltage or current mode, pressing RANGE
switch in %HZ mode also changes the full scale range of the original voltage or current mode after VAHZ mode is
cancelled.
9. PEAK The precision of PEAK hold mode measurement can be enhanced by calibration. Calibration for PEAK hold
mode is invoked by pressing PEAK switch for more than 2 seconds until the caL is displayed.
Pressing the Peak switch to toggle between PMAX and PMIN.
Pressing Peak switch and held for longer than one second to release the peak hold mode.
10. Range Switch, (Manual Range) Range switch is pressed to select manual ranging and to change ranges.
When Range switch is pressed on RANGE annunciator on the LCD appears.
Press RANGE switch to select appropriate range to be used.
Press RANGE switch and hold for 2 seconds to return to Autoranging.
In % HZ mode RANGE is not used to change the full scale frequency range, but
change the sensitivity of frequency measurement.
11. Blue Switch Press the switch to measure AC Voltage / Current or DC Voltage / Current in the voltage / Current mode,
or to measure Resistance or continuity or diode in Ω/ / mode or to measure Frequency or RPM in
RPM in Hz/PRM mode.
6


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