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2-20
INSTALLATION
The OPTIMOD-PC file system labels the card folders by their serial num-
bers. Look for the folder labeled with the source card's serial number. In
that folder will be a preset folder containing the setup you wish to re-
store.
e) Highlight the setup file and select O
The Orban Control application will automatically make a copy of just-
opened setup file in the destination card's Presets folder. It will auto-
matically update this file if you make manual changes to the destination
card's IO setup. The original setup file is not changed.
C) If you wish to edit an existing (or factory) setup, proceed to step 3 below.
D) When you are finished setting up each card, close the I/O M
clicking D
.
ONE
3. Configure global audio processing parameters.
A) From the T
OOLS
The Configuration page appears:
B) Set the M
L
AX
OWPASS
[10.0 kHz] to [20.0 kHz]
You can set OPTIMOD-PC's audio bandwidth in two places:
(1) in the I/O Mixer's C
tab. (If the EQ tab is not visible, click the AD button on the toolbar.)
OPTIMOD-PC's bandwidth is always the lowest of these settings. The fre-
quency in C
ONFIGURATION
highest bandwidth available. The installing engineer should set it to be
appropriate for the sample rate of the digital system that OPTIMOD-PC is
driving. For example, if OPTIMOD-PC is driving a system with a 32 kHz
sample rate, set the M
That way, a setting of 20 kHz in the EQ tab will not cause excessive
bandwidth and aliasing because OPTIMOD-PC will automatically override
it with the M
AX
Note that the LP filter on the EQ tab is part of the active preset, like any
other equalization control in the preset. If you recall a different preset,
the L
OWPASS
determine the system bandwidth (unless, of course, the L
cutoff frequency setting in the new preset is higher than the M
L
F
OWPASS
ILTER
C) Set the AGC mode as appropriate for your installation.
[Enabled] or [Disabled]
This control turns OPTIMOD-PC's internal AGC (Automatic Gain Control)
on [enabled] or off [disabled].
In radio applications, it is common to have an external AGC at the studio
side of a studio-to-transmitter link to protect the link from overload.
Most of the processing structures in OPTIMOD-PC control level with a
menu, open the I/O Mixer and click the Configuration tab
cutoff frequency.
F
ILTER
tab, and (2) in the main window's EQ
ONFIGURATION
is a technical parameter that determines the
L
F
AX
OWPASS
L
F
cutoff frequency setting.
OWPASS
ILTER
cutoff frequency control in the new preset will now
F
ILTER
cutoff frequency parameter in the C
.
PEN
cutoff frequency to 15.0 kHz.
ILTER
ONFIGURATION
ORBAN MODEL 1101
window by
IXER
F
OWPASS
ILTER
AX
page).
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