USER'S MANUAL. PROLINK-4/4C
Operation in TV+LV+SY Mode
This function permits to display the line synchronising pulse corresponding to a
tuned signal on the monitor.
To view the synchronisation pulse press key
to TV + LV + SY mode, and then press key
The monitor is divided into three sections. In the top section an analogue bar
appears which indicates the level of the signal received (59 dBµV in figure 8 example).
On the left side the line synchronising pulse is represented as it would appear on the
screen of an oscilloscope. On the lower side the TV picture is shown.
Figure 8.- Line synchoronism + level + TV (TV+LV+SYNC)
Starting from the line synchronism representation, it is possible to perform a
qualitative analysis of the TV picture delivered to the end user.
4.9.1.2 Measuring the Video / Audio Ratio (V/A)
In the Video/Audio measurement mode, the screen displays the following information:
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Figure 9.- Video/Audio rate measurement
[23], turn the rotary selector [4]
[23] or the rotary selector [4] again.
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