Conrad M-4660M Bedienungsanleitung Seite 9

4.3.2 Terminal and Switch Imprint
a) Press the ON/OFF-key (1) to turn the unit on and off: Press the key
once to turn the power on, press it again to turn the DMM off.
AUTO-POWER-CUT-OFF extends the life of the battery by turning off
the meter: if neither the rotary function switch nor a button is ope-
rated for 12 minutes the DMM is automatically turned off. During
"communication" of the multimeter with a PC, i.e exchange of data,
AUTO-POWER-OFF is disabled.
b) FUNC
Press this button to select the function modes. The following symbols
appear in the display when you scroll in the function modes:
D-H -> A-H -> REL -> MEM -> RCL -> CMP
c) SET/R (= Set / Reset)
Press this button once to activate or to enter the selected function
mode. Press this key only once.
- Press the function mode the button D-H again to return to basic set-
ting (press until the beeper sounds).
- In the function mode A-H (MIN-MAX and AVG) the A-H symbol is dis-
played. After the first push of the SET/R key the A-H symbol is set and
will stop blinking. If the SET/R-key is pressed again, the R-H symbol is
fixed. You can commence measurement. Another push of the SET/R
key discards the function and the previous normal mode is restored.
- In the function modes REL, MEM, RCL and CMP push SET/R button
several times to return to normal mode. Another possibility to exit
from these modes is either to press the button FUNC or ON/OFF once
or to move the rotary function switch to an adjacent position (observe
all safety rules!).
d) UP/DOWN
Press UP or Down button to determine the reference value in the fun-
ction modes REL or CMP or to address the stored value (reference
numbers) in the subfunctions MEM or RCL (recall memory).
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4.3.3 Terminal and Switch Imprint
a) Transistor Socket hfe
The eight pole transistor terminal is lettered symmetrically with (E)
Emitter,(B) Base, (C) Collector. Insert the transistor pins into the tran-
sistor socket as in the drawing according to transistor type, remove
voltage before measurement.
b) Terminal block for capacitance (poled "+" and "-") and inductance
measurements "mH"
Connect the discharged (!) capacitor to the sockets, checking that
poles are connected correctly.
Make sure that the connecting cables are long enough, since measu-
rement errors may otherwise occur.
For measuring inductance, insert the dead coil in the coded sockets.
Important!
The upper terminals are marked "+", and the lower terminals "-". Make
sure, especially when measuring unipolar capacitors ("Elkos") that the
polarity is correct. Please refer to the diagram shown below:
inductance
measurement
c) Rotary Function Switch = Measuring Function Switch (8)
Attention!
Never turn the measuring function switch during measurement, as there
is the risk of instrument damage and danger to life if there are voltages
exceeding 25 VAC or 35 VDC.
+
+
capacitance
measurement
-
-
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