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3: Advanced Programming • 13

Version 2.0, February, 2007

Output Load

This option is only available on the 8x8 Analog

node’s Destinations screen. This setting has two options.

The usual selection is Hi-Z and is used when the node’s

outputs are fed to High impedance destination devices.

When the node is feeding 600 Ohm inputs the 600 ohm

option should be selected. This boosts the node’s out-

put level by ~1 dB to maintain true +4 levels into 600

Ohm equipment to ensure

unity gain. The clip point

remains at 24 dB.

Listen Links

For each destination

stream where a Standard

stream is available, the

Destinations page will

show a clickable link “Lis-

ten”. Clicking on this link

will launch the local PC

application currently regis-

tered as the default players

for “.sdp” ﬁles. For exam-

ple, the Real Audio player.

NOTE: while the Apple QuickTime Player supports

.sdp ﬁles, it does not support multicast streams and will

not work.

The Meters Page

The Meters screen, shown on the below, is simply a

metering screen that shows the audio level of all local

sources (local inputs) and destinations (local outputs) for

the node. The screen is divided into two sections, with

inputs on the left and outputs on the right. Each section

has 8 pairs of meters, with a left and right meter for

each input or output. Note that the levels shown are in

the digital domain, and are therefore calibrated in dBfs.

Therefore it is worth noting that the color-coding of the

meters is somewhat arbitrary; the meters turn red 9 dB

before the clip point (e.g. 9 dB below digital full scale)

but this does not represent an overload condition.

Meters Inputs

While we recommend setting the gain setting for in-

puts based on the peak output clip point of the source

equipment (see Source Page, above), you can use the

meter screen to tweak input Gain settings “by eye” if

desired.

Meters Outputs

These eight pairs of meters represent the Livewire

streams being output from this node. These are primar

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