Instrument Setup - Tenma 72-7615 Manual

Digital storage oscilloscope
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INSTRUMENT SETUP

Vertical system setup
Each channel CH1 or CH2 has it's own vertical menu. Each channel should be set
up individually.
Press CH1 or CH2 and the system will display the operation menu for that channel.
Functions Menu
Coupling
Bandwidth Limit
Volts / DIV
Probe
Invert
Channel coupling setup
If for example a signal is applied to CH1 which
has a sine signal that contains DC quantities.
Press F1 to select AC and set up as AC
coupling. Any DC quantities in the signal are
now intercepted.
Press F1 to select DC.
Both AC and DC quantities of the signal being
measured can now pass through.
The waveform displays both AC and DC
quantities of the signal.
Press F1 to select GROUND.
Both AC and DC quantities of the signal being measured are now intercepted.
The waveform is not displayed in this mode but the signal remains connected to the
channel circuit.
Setup
AC
Intercepts the DC quantities of the input signal.
DC
GROUND
On
Limit bandwidth to 20MHz to reduce noise display.
Off
Coarse tune
Fine tune is further tuning within the coarse tune
Fine tune
1X, 10X,
Select either value based on the probe attenuation
100X and
factor to keep the vertical deflection factor reading
1000X
On
Off
6
Notes
Pass AC and DC quantities of input signal
Disconnect input signal
Full bandwidth
Coarse tune in steps of 1-2-5 to set up the
deflection factor of the vertical system.
set up to improve the vertical resolution.
correct.
Waveform invert function on.
Normal waveform display.

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