Measurement and instrumentation
Dual trace oscilloscope JO 20 MHz
Ref :
291166
ENGLISH
22
2.3 Quick start – Rear panel
(31) Z INPUT
This input is used to modulate the trace brightness via an external signal.
A (+) signal reduces the brightness; a (-) signal increases it.
(32) YA OUTPUT
Replica of the YA 20 mV/div. input signal, e.g. for feeding into a frequency
meter.
(33) FUSE HOLDER / VOLTAGE SELECTOR (see 2.1. Installation)
(34) POWER SOCKET
3 Operation – Instructions sheet (see
attachment)
Instructions Sheet: Oscilloscope
Use the oscilloscope in display and voltmeter mode.
Shunt connection
Before: All pushbuttons in up position (pulled out)
•
SCREEN
BRIGHTNESS
and
ILLUMINATION
low
•
VERTICAL and HORIZ
POSITION
at mid range
•
TRIGGERING
on
AUTO
and
INT
•
VARIABLE
knobs in CAL position
Oscilloscope power-up
Settings:
•
reasonable
BRIGHTNESS
•
SHARPNESS
on the finest trace
•
VERTICAL YA lever on
O
, adjust
POSITION
(trace on axis)
•
HORIZ
POSITION
as required
How to set the oscilloscope
1st question
What do we want to
display and
measure?
1 voltage
or
2 voltages
YA = f(t)
Press on
YA
YA = f(t)
and YB = f(t)
Press on
YA
and
YB
Set YB
YB = f(YA)
XY
Set X and Y
BRIGHTNES
S
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