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Introduction
Function Buttons and Displays
At the rear are power, serial, and network connectors, and a 25-pin GPIO (tally) connector
that supports 4 optically isolated relay outputs and 8 optically isolated inputs:
Fig. 2-2: NV9649 Rear
The NV9649 has 3 very different operating modes (or behavioral models):
• 'Panel Server' mode. For brevity, we can call this "server" mode.
When the panel is in "server" mode, it operates in conjunction with a number of
NV9648 control panels. The NV9649 is the "server" and the NV9648s are the "clients. "
The NV9649 and the NV9648s combine to form, in essence, a larger panel — actually a
cluster of many small panels. The NV9649, being the server, can change which sources
and destinations the NV9648s can use. See
• 'NV9609 Panel' mode. For brevity, we can call this "NV9609" mode.
When the panel is in "NV9609" mode, it functions exactly like an NV9609, but with
buttons that have LCD legends instead of backlit simple buttons.
(You can refer to the NV9609 Users Guide for reference.)
In this mode, the panel operates standalone, without regard to any NV9648s.
• 'LCD XY/MD' mode.
In this mode also, the panel operates standalone, without regard to any NV9648s.
When the panel is in "LCD XY/MD" mode, it has a larger function set than it does when
operating in the other two modes.
The panel's buttons are used in a hierarchical fashion: pressing a 'navigation' button
causes the panel to display a new set of button functions or a "button page. " There can
be many such pages, organized in a configurable tree structure.
The operator can switch the panel between "X-Y mode" and multi-destination (MD)
mode. In X-Y mode, the operator can perform takes (and locks) on individually selected
levels. In MD mode, takes occur on all levels, but the operator can perform takes to
multiple destinations simultaneously. See
The panel's 28 buttons and 4 displays are used in very different ways in the 3 models.
Function Buttons and Displays
At the front, the panel has 2 button sections, 12 buttons on the left and 16 on the right.
Between the sections are four 8-character displays and a knob. Refer to Figure 2-1. You can
turn the knob to scroll through device categories and device lists. Pressing the knob selects
4
Ethernet
'Panel Server'
Mode, on page 7.
'LCD XY/MD'
Mode, on page 9.
GPIO (tally)
Power (2)
Serial (RS-232)
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