Audio Monitoring
Selecting Aud
io Inputs
You select the audio input to be monitored from the front-panel AUDIO button
pop-up menu. Note that the Audio display can appear in only one tile at a time.
1. Select a tile.
2. Press and hold the Audio button to open the Audio display in a tile and pop
up the Audio menu.
3. Use the Arrow Keys and SEL button to make selections in the steps that
follow.
4. Select Audio Input and then select one of the audio input options shown.
NOTE. The available selections depend on the installed audio option. Selecting
Follows Video selects the audio to video mapping set in the configuration menu.
(See pag
e141,Configuring Audio Inputs.)
To Check Audio Level and Phase
Level meters are vertical bar graphs on which the height of the bar indicates the
amplitude of the a udio program in the corresponding input channel. Use the
Audio pop-up menu to change the input and turn on and off the Phase display.
Other meter characteristics such as ballistics, scale units, and program and test
leve
ls are configured through the Configuration menu.
If your instrument is equipped with optional audio features, it can display phase
of o
ne input pair as a Lissajous pattern, and display relative phase on all four
pairs of inputs with correlation meters.
To Check Aud io Level
1. Open the audio display in one tile and select an input. (See page 141, To Set
Up
an Audio Input.)
2. Check the level meter bars for current audio levels, which are displayed
a
ccording to the selected meter ballistics. Each bar displays three colors.
(See Figure 69.)
Green – Indicates audio levels below the test level.
Yellow – Indicates audio le v els between the test and peak program level.
Red – Indicates a udio levels above the peak program level.
142 WFM8200 and WFM8300 Waveform Monitors
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