User guide

664 User Guide and Technical Information
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Front Panel Descriptions
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1) Input Fader
Primary control for adjusting the level of an
input during operation. Ranges from off to +15
dB. Nominal se ing is in the middle (0 dB).
2) Gain (Trim)
Coarse input gain control. Sets the initial input
sensitivity level so that the Input Fader can be
used for fi ne gain adjustments. Range is from
+22 dB to +72 dB. See Input Setup and Control.
3) Highpass Filter Control
Adjusts corner (-3 dB) frequency of high-pass
fi lter. Full counter-clockwise position (detent-
ed) deactivates the High-Pass Filter. Range is
80-240 Hz, 12 dB/oct to 6 dB/oct. See Input Setup
and Control.
4) PFL / Input Select Switch
Slide left: Pre-Fade Listen. Sends the input’s
pre-fade signal to HP monitor mono mix.
Multiple inputs can be solo’d simultaneously.
Does not aff ect Master Output signal. Slide the
switch left to activate, and again to deactivate.
For momentary action, hold the switch left for
one second or longer. The Input LED fl ashes
yellow when an input’s PFL is active. Slide
right: Input Se ings. Enters the Input Se ings
Screen where basic input setup and input-to-
output bus routing is performed. See Input
Setup and Control.
5) Input LED
Indicates input signal activity. Illuminates in
various colors and intensities to show signal
level and activity. Green = signal presence (pre-
fader), yellow = limiter activity (pre- and post-
fade), red = signal overload/clipping (pre- and
post-fade), fl ashing yellow = input PFL.
6) Input Pan
Controls the Left/Right balance of the input
signal to the Stereo Master Bus.
7) Recorder Control
Controls the Integrated Digital Recorder. Slide
up to Record, press in to Pause/Stop, slide
down to Play, slide left to Rewind, slide right
to Fast Forward. See Digital Audio Recorder.
8) Meter Button
Displays the Main Screen which includes me-
tering, fi lename, time code and other important
information. Also toggles between inputs 1-6
and returns A,B and C metering. Returns to
Main Screen from any other Screen.
9) LCD
Displays contextual operating information and
user interface.
10)
Internal Timecode LED
When the 664 is powered down, the Internal
Timecode LED will fl ash blue to indicate that
timecode is being maintained. The 664 will
hold accurate timecode for 2 hours after being
powered down.
11)
Power Switch
Three-position slide switch, selects between AA
ba ery power or external DC sources, middle
position is off .
12) Power LED
Illuminates green to indicate the 664 is pow-
ered on.
13)
Menu Button
Displays the Setup Menu.