Tektronix 070-8811-08 - Manual (Page 106)

Appendix C: Options
764 Digital Audio Monitor User Manual 91
5. Turn the multi-function knob to highlight the Channels menu
item; then press the soft button that corresponds to the channel
group (channels 1–4; 5–8; 9–12; or 13–16) that you want to
monitor. If you do not know which audio channels are active on
the input video, ignore the channel setting and proceed to the
next step.
6. Press the CLEAR MENU button to exit the menu hierarchy; then
press VIEW:AUDIO, if necessary, to select the audio Phase or
Session display. Notice that sixteen diamonds, arranged in four
groups of four, now occupy the top of the display as shown in
Figure 37. The diamonds represent the four groups of four audio
channels defined in SMPTE 272M. Bright diamonds indicate
active channels; a white underline indicates the channel group
that you have selected through the Input submenu. The numbers
of the selected channels appear under the meter bars.
Figure 37: The Audio view with digital video input selected
7. If there is no audio on one or more of the channels in the selected
group, the message NOT PRESENT now occupies the meter bars
of the inactive channels. If necessary, repeat steps 2, 3, and 5