YOKOGAWA TA220 User Manual page 50

Digital jitter meter
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4.4 Setting the Trigger Mode and Slice Level
4-6
• AUTO and MAN (Auto + Manual Mode)
The RF signal is binarized using the slice level obtained by superimposing a given
offset level to the slice level that is detected by the auto slice function. The offset level
is a separate level from the slice level of manual mode in the previous section, and
when the trigger mode is set to auto + manual, the following range applies.
Setting range: –1000 to 1000 (in steps of 1)
Note
When the measurement function is PW, AGC is OFF, and the equalizer is OFF, if the slice
level set in manual mode exceeds 1 V (or is less than –1 V), it will change to 1000 (or –
1000) when AGC or the equalizer are turned ON.
When the measurement function is PW, AGC is OFF, and the equalizer is OFF, you
cannot change to a trigger mode other than manual mode. Conversely, even if you set the
instrument to a different mode, if the measurement function is then set to PW, and AGC
and the equalizer are turned OFF, the trigger mode automatically changes to manual
mode.
The trigger mode is forcibly set to AUTO when the limit equalizer is selected (see the
option function user's manual, IM704610-51E). The trigger mode remains the same even
if the equalizer is returned to OFF or CONV.
IM 704610-01E

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