Orban OPTIMOD-FM 8600, Operating Manual

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3-18
OPERATION ORBAN MODEL 8600
Gain Reduction Metering
Unlike the metering on some processors, when any OPTIMOD-FM gain reduction
meter indicates full-scale (at its bottom), it means that its associated compressor has
run out of gain reduction range, that the circuitry is being overloaded, and that var-
ious nastinesses are likely to commence.
Because the various compressors have 25 dB of gain reduction range, the meter
should never come close to 25 dB gain reduction if OPTIMOD-FM has been set up for
a sane amount of gain reduction under ordinary program conditions.
To accommodate the FM preemphasis curve, Band 5 of the Five-Band Structure is ca-
pable of 30 dB of gain reduction.
Further, be aware of the different peak factors on voice and music—if voice and mu-
sic are peaked identically on a VU meter, voice may cause up to 10 dB more peak
gain reduction than does music! (A PPM will indicate relative peak levels much more
accurately.)
To Create or Save a User Preset
Once you have edited a preset (using Basic, Intermediate, or Advanced Modify),
you can save it as a user preset. The 8600 can store an indefinite number of user
presets, limited only by available memory.
The 8600 preserves any edited, unsaved preset until you recall another preset.
This is true even if the 8600 is powered down or reboots. However, to ensure
that you do not accidentally lose your work, it is wise to save as a User Preset any
edited preset you want to keep. To save a preset:
A) Press the
E
SCAPE
button repeatedly until you see the main menu.
B) Locate to
S
AVE
/S
AVE
A
S
and press
E
NTER
.
C) The
S
AVE
P
RESET
screen appears.
D) Choose a name for your preset.
Some non-alphanumeric characters (such as < and > ) are reserved and
cannot be used in preset names.
E) Use the “virtual keyboard” to create a preset name.
Use the
L
OCATE
button to navigate to each character. Then press
E
NTER
to
accept that character.
The
S
HIFT
key on the virtual keyboard changes it between upper and
lower case.
F)
L
OCATE
to the
S
AVE
button and press
E
NTER
.
•
You cannot give a user preset the same name as a factory preset. If the
name that you have selected duplicates the name of a factory preset, a
warning box will appear saying:
Factory presets cannot be overwritten.