SEW 6420 DM, Instruction Manual

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(1) Function selection rotary switch

The rotary switch selects the function.

(2) LCD Display
   

3999 count LCD with LOW BATTERY indication.

      
(3) Volt / Ohm / Frequency Terminal

This is positive input terminal for voltage / ohm /
frequency measurement. Use the RED test lead
to connect.

(4) uA / mA Terminal

This is positive input terminal for current. The
Maximum is 4000uA for uA measurement. The
Maximum is 400mA for mA measurement.

(5) 10A Terminal

This is positive input terminal for 10A current. 

(6) COM Terminal

This is the ground input terminal. Use the BLACK
test lead to connect.

(7) Select Button

For AC / DC function selection.
In the resi cont diode function,
press the Select button to select resistance,
continuity or diode function.         

(8) Range Button

Press the Range button to selects the manual
range mode and turns off the AUTO annunciator
and turns on the manual annunciator and
changes the full scale range. In manual range
mode, each time press Range button (less than
one second), the range increments and a new
value is displayed. To exit the manual range
mode and return to auto mode, press the RANGE
button (More than one second).

(9) HOLD Button

Press the HOLD button (HOLD annunciator turns
on) makes the meter stop updating the LCD
display. This mode can be nested in most of the
special modes. Enabling HOLD function in
automatic mode makes the meter switch to
manual mode, but the full scale range remains
the same. HOLD function can be cancelled by
changing the measurement mode, pressing
range, or push HOLD again.

(10)REL Button

The "REL" mode means relative mode. Press the 
REL button, the REL annunciator turns on, zero
the display, and store the displayed reading as a
reference value. Press the REL button more than 1
second to exit the REL mode. In the REL mode, the
value shown on the display is always difference
between the stored reference value and the
present reading. If the new reading is the same as
The reference value, the  display will be zero.