PeakTech 1190 Bedienungsanleitung Seite 131

The description of the Channel Menu is shown as the following list:
Function Menu
Coupling
Band Limit
Channel
Probe
Inverted
1. Setting Channel Coupling
Taking the Channel 1 for example, the measured signal is a square wave signal containing the direct
current bias. The operation steps are shown as below:
Press the CH1 MENU button and call out the CH1 SETUP menu.
1.
2. Press the F1 menu selection button and select the Coupling item as "AC" to set the channel coupling
as ac mode, under which the direct current component in the signal will be blocked.
Then, press the F1 menu selection button again and select the Coupling item as "DC", setting the channel
coupling as dc mode, under which both dc and ac components in the signal will be unblocked.
The wave forms are shown as Fig. 20 and Fig. 21.
Fig. 19 Channel Setting Menu
Setting Description
AC Block the DC component in the input signal.
DC Unblock the AC and DC components in the input signal.
GROUND The Input signal is interrupted.
OFF 100 MHz Get full bandwidth.
ON 20 MHz Limits the channel bandwidth to 20MHz to reduce display noise.
OFF Close the measurement channel.
ON Open the measuring channel.
1X
10X Choose one according to the probe attenuation factor to make the
100X vertical scale reading accurate.
1000X
OFF The wave form is displayed normally.
ON Initiate the wave form inverted function.
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