General Operation
TVM Series Installation and Operation Handbook 101
Copyright © 2008, Harris Corporation
Expanding the Audio Display
Press the ZOOM button to access the audio zoom feature. The range of the
zoom is dependent upon the selections made in the ZOOM CENTER and
ZOOM RANGE menu. Press and hold ZOOM to access this menu.
• ZOOM CENTER: Adjustable from +0 dB to –50 dB in 1 dB steps. The default is
the REFERENCE LEVEL setting. The ZOOM CENTER adjustment is restricted
by AUDIO SCALE, REFERENCE LEVEL, and ZOOM RANGE selections.
• ZOOM RANGE: Adjustable from 4 dB to 20 dB in 2 dB steps. The default is
10 dB. The ZOOM RANGE adjustment is restricted by AUDIO SCALE,
REFERENCE LEVEL, and ZOOM CENTER selections. Zoom must be enabled to
view the new adjustments.
Audio Menu Selections
Pressing and holding the AUDIO function button in the active audio pane selects the
audio pane menu. The Audio Pane menu is described in Table 3-39.
Table 3-47. Alarm Pane Menu
Selection Selection Option
OFF
ANALOG
AES 1 – 4
AES 5 – 8
EMBEDDED 1 – 8
AUDIO INPUT CHECK
EMBEDDED 9 – 16
SOUNDSTAGE LISSAJOUS
X – Y
OFF (Default) V2A TIMING DISPLAY
(TVM-A3-OPT V2A
Option only)
ON
AUDIO SETUP Press ENT
Audio Input Check
The Audio Input Check is a quick way of checking the audio sources. It displays and
changes 8-CH bargraphs with the input source selected from the pane menus. It
overrides input selections and is only active while it is enabled.
Lissajous
Select to determine the type of Lissajous display that appears in the Audio pane. There
are two type of Lissajous displays (Soundstage and X-Y). The soundstage selection
displays a Lissajous, which is rotated so that the in-phase signals appear on the vertical
axis and out of phase signals appear on the horizontal axis.
X-Y displays a Lissajous with the left channel mapped to the vertical axis, and the right
channel mapped to the horizontal axis.
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