Application Exa
mple
Application Example
Timing a Studio
Your instrument supports multiple methods and techniques for t iming a studio, all of which require an external reference
to your instrument. Timing a studio involves adjusting the r eferences going to different sources so that their output feeds
have the same timing when they arrive at a common point, such as a production switcher. For digital systems, timing
typically only needs to be close, but not exact, because m ost switchers have some tolerance for timing errors. For analog
composite systems, the timing may need to be matched within a small part of a subcarrier cycle to prevent hue shifts
when switching between sources.
Following are procedures for timing a studio using various methods.
Using the Traditional Method
Your instrument makes the traditional method of comparing Horizontal and Vertical timing easier by providing flexible
tiles and a Freeze function. To time a studio using the traditional method, you store an input as a baseline and compare
signals t
hat you time against the baseline.
1. Select a tile in which to time the active
input. Select WFM.
2. Apply the first input signal to the
appropr
iate input, terminate it properly,
and select it.
3. Push and hold the WFM button. From
the Display Mode submenu, select a
displa
y mode that is appropriate to the
signal that you input.
4. Apply the house reference signal to the
external reference input, terminating it
prope
rly.
5. Press the EXT REF button to select
External Reference mode. (Connected
to the house reference.)
6. Put the selected tile in line mode.
7. Use the HORIZONTAL knob to center
the sync edge or the SAV pulse. (If
using the SAV pulse, turn off Stripping
EAV/SAV /ANC in the SDI Input setting of
the Configuration Menu.)
8. Press the MAG button to increase the
timing resolution.
Waveform Monitors Quick Start User Manual 131
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