7 Advanced Operation
7.7.14 Amplifier Information
Information about the amplifier is stored in the software
system inven tory and is displayed on the software
control panels. Information includes manufacturer,
model, date code, and serial number. The green items
can't be edited.
Channel Labels: Each amplifier includes two labels
that you may edit for your own use. Simply type in the
text areas. Use these labels to describe the channels of
your amplifier. These names will appear in the individual
processing blocks.
Attenuator Limits: This lets you set a limit on the
attenuators. You can set the maximum attenuation from 0
dB to –100 dB. Once set, attenuation cannot be adjusted
beyond this level.
NOTE: The attenuator setting must be below the
attenuator limit that you are trying to set. For example, if
the attenuator is set at –3 dB, you cannot set the
attenuator limit below –3 dB unless you decrease the
attenuator level.
Front Panel Display: This button lets you blackout the
front panel display until you press a front-panel button or
turn an Encoder. This feature turns off the LCD backlight
and all front panel LEDs except for the fault LEDs and
power-switch green LED. After blackout mode is enabled,
an Encoder press/turn will "reactivate" the display. If no
button is pressed/turned for over 5 seconds, the display
will return to blackout mode.
Front Panel Display:
page 40
I-Tech HD DriveCore Series Power Amplifiers
7.8.15 Apply to Others
This screen lets you apply the System Architect settings
for your I-Tech HD amplifier to other I-Tech HD ampli-
fiers in the venue file.
7.8.16 Delay (Latency)
Due to the nature of DSP processing, there is some inherent delay or latency within
the I-Tech HD's DSP. These latencies are shown in Table 3 below:
Table 3 I-Tech HD latencies at two sample rates
Sample
ADC
DSP
DAC
Ampli-
Total
rate
fier
latency
48 kHz
250µs
666µs
196µs
54µs
1.166ms
96 kHz
94µs
333µs
48µs
54µs
1.13ms
These latencies do not include CobraNet Transport Latency and FIR Processing
Latency.
Operation Manual
I-Tech HD DriveCore Series Power Amplifiers
7 Advanced Operation
7.7.17 Preset Manager
The control settings for all the functions can be stored
as presets. Up to 50 presets can be saved in the I-Tech
amp's nonvolatile memory. Each preset can be named
with a 30 character name describing its function, which
is also stored in memory.
• The Store Preset Control saves the current setting
to the specified preset.
• The Recall Preset Control recalls the specified
preset settings. It appears in the Active Preset field. If
you change the settings after recalling a preset, the
Store button will turn yellow.
You can drag the presets to place them in a logical
order. Also, you can color-code the presets to organize
them.
Operation Manual
page 41
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