Switches, Buttons And Jacks Description - TESTBOY TB 312 Bedienungsanleitung

Switches, buttons and jacks description

®
Testboy TB 312
(1)
V/ Ω/dBm/Hz
jack
(2) COM
jack
(3) mA jack
(4) 10 A jack
(left)
(5) Measuring
function selec-
tor switch
(6) POWER
switch
(7) RANGE
button
(8) SELECT
button (yellow)
(9) WAKE but-
ton
(10) MAX/MIN
button
(11) REL button
(12) HOLD but-
ton
(13) LIGHT but-
ton
(14) ~ HZ but-
ton
(15) LCD dis-
play
Operation
Red test lead for all types
of signals supported by the
instrument.
Black test lead for all types
of signals supported by the
instrument.
For current measurements
up to 500 mA
The 10 A jack must be
used for current measure-
ments above 500 mA.
Use the rotary selector
switch to select the various
basic measurement
modes.
The device is turned on
and off via a "POWER"
push-button switch.
Manual measuring range
selection
Measurement type selec-
tion (yellow lettering)
Wakes the instrument from
sleep mode
Measured value display
MAX, MIN and MAX-MIN
value
Switch-over to relative val-
ue display
Measured value storage
Backlighting
Frequency measurement
during voltage and current
measurement
See below
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