Sound Devices 302 - Manual (Page 5)

302 User Guide and Technical Information
5
Front Panel Descriptions
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1. Fader
Primary control for adjusting the input
level during operation.
2. Peak LED
When illuminated, indicates that
the channel level is approaching the
clipping point.
3. Limiter LED
When illuminated, indicates that the
channel limiter is active and is reducing
the channel gain to prevent overload.
4. Gain (Trim)
Coarse input gain control. Sets the initial
input sensitivity level so that the Fader
can be used for fine gain adjustments.
5. Polarity Reverse Switch – Input 2
When engaged, the polarity of Input 2 is
reverse (180° out-of-phase) with respect
to inputs 1 and 3. Useful to flip the
stereo image with MS stereo.
6. Limiter Switch
Activates both input and output
limiters. ON is dual-mono limiter
operation, LINK is stereo operation.
Output limiter threshold is set in the
Setup Menu.
7. Output Meter
Sunlight-viewable, 20-segment LED
meter. Calibrated in dBu when peak-
reading.
8. Slate Mic/Tone Switch
Two-position switch ,activates the slate
microphone in the left (momentary)
position, or the tone oscillator in the
right (latched) position. Additional
options are available in the Setup Menu.
9. Pan Switch
Assigns the input channel to the output
bus. Left-only, Center (equal left and
right), or Right-only.
10. High-Pass Filter (Low Cut)
Three-position switch engages the high-
pass filter. Used to reduce excessive low
frequencies. 12 dB per octave at 80 Hz or
160 Hz. Center position is off.
11. Stereo Link LED (Inputs 1 & 2)
Indicates that inputs 1 and 2 are linked
as a stereo pair. Controlled in the Setup
Menu. In L/R stereo link input 2 Fader
controls overall stereo level. When in
MS position input 1 Gain (Trim) controls
Mid, input 2 Gain (Trim) controls the
amount of stereo (Side) information and
the input 2 Fader controls the overall MS
stereo level.
12. Meter Brightness
Controls the brightness of the LED
output meter. Each push selects among
the four brightness levels.
13. Meter Ballistics
Toggles among the available meter
ballistic options: VU-only, peak-only,
combo peak/VU, peak-hold/VU.