PeakTech 1640 Bedienerhandbuch Seite 32

COM Terminal
This is the negative (ground) input for all measurement modes
except current. Connection is made to it using the black test
leads.
V/Hz/F/Ω Ω Ω Ω Input Terminal
This is the positive input terminal for voltage, capacitance,
frequency, ohms and diode measurements. Connection is made
to it using the red test lead.
Display
The display indicates the measured value of a signal, function
mode and annunciator.
Function/Range selector rotary switch
This rotary switch selects the function and selects the desired
range.
Range Button
Press RANGE button to select the manual range mode and Turn
off the "AUTO" annunciator. (The meter remains in the range it
was in when manual reading was selected).
In the manual range mode, each time you press (RANGE)
button, the range (and the input range annunciator) increments,
and a new value is press and hold down (RANGE) button for 2
seconds. The "AUTO" annunciator turns back on.
Hold Button
Press HOLD button to toggle in and out of the Data Hold mode.
In the Data Hold mode, the "HOLD" annunciator is displayed and
the last reading is frozen on the display. Press the HOLD button
again to exit and resume readings.
Transformer jaws
Pick up the AC or DC current flowing through the conductor. The
"+" marking on the jaw indicates direction of DC Current existing
on the conductor being tested which follows forward and
vertically with jaws, and reading shown on display is positive.
-31-