Switches, Buttons And Jacks Description - Testboy TB 312 Manual De Instrucciones

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 selector
switch
(6) POWER
switch
(7) RANGE
button
(8) SELECT
button (yellow)
(9) WAKE button
(10) MAX/MIN
button
(11) REL button
(12) HOLD button
(13) LIGHT button
(14) ~ HZ button
(15) LCD display
Operation
Red test lead for all types
of signals supported by
the instrument.
Black test lead for all
types of signals support-
ed by the instrument.
For current measure-
ments up to 500 mA
The 10 A jack must be
used for current meas-
urements above 500 mA.
Use the rotary selector
switch to select the vari-
ous 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
value display
Measured value storage
Backlighting
Frequency measurement
during voltage and cur-
rent measurement
See below
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