Setting The Vertical System - Tenma 72-8710 Operating Manual

DSO Series User Ma nual

Setting the Vertical System

CH1, CH2 and setups
Each vertical channel has its own vertical menu. You should set up each
item for each channel individually. Press the [CH ] or [CH ] function
button and the system will display the operation menu for CH1 or
CH2. For explanatory notes please see Table 2-1 opposite:
Table 2-1：Explanatory notes for channel menu
Function Menu
Coupling
1 2
BW Limit
Volts/Div
Probe
Invert
Setup Explanatory Note
AC Intercept the DC quantities of the
input signal
DC
Pass AC and DC quantities of
input signal
GND Disconnect input signal
Open Limit bandwidth to 20MHz to
reduce noise display
Close
Full bandwidth
Coarse Coarse tune in steps of 1-2-5 to
set up the deflection factor of
the vertical system
Fine
Fine tune means further tuning
within the coarse tune setup
range to improve the vertical pixel
aspect ratio
1x Select either one value based on
10x the probe attenuation factor to
100x keep the vertical deflection factor
1000x reading correct. There are four
values : 1x, 10x, 100x and 1000x
Open Waveform invert function on
Close Normal waveform display
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