Panasonic Ramsa WR-S4424 - Page 7

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Output Faders
These high precision type 100 mm carbon faders are
used to adjust the Group and Master output level.
Position 0 represents the nominal output level.
Input Faders
These high precision type 100 mm carbon faders are
__used to control the level of input channels signal being
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sent to the mixing busses. Fader should be at "0" for
obtaining nominal level.
Pre Fader Listening Switches (PFL)
These switches may be pressed to send individual
input channel or mixing buss signal to the Monitor
and Headphone outputs. Multiple PFL buttons may
be turned on to monitor any combination of signals.
The PFL signal takes priority over the L/R Master
monitor signal, which is present at the Monitor and
Headphone outputs when all PFL buttons are off.
Signal Indicator LED (PEAK/SIGNAL)
These LEDs indicate input head amplifier signal status.
These light green when the signal reaches a level
approximately 8 dB below nominal, and turn red when
the signal is within 8 dB of clipping level.
In case of a consistent red indication , the input level
control (INPUT) should be turned to counterclockwise.
Channel On Switches (ON)
The input signal sent to the Master, Group, and AUX
mixing busses is passed (on) or muted (off) by these
switches.
Pan Pot Controls (PAN, L/1/3,R/2/4)
These controls divide the input signal into separate left
.and right, and sets the relative level (balance) between
them.
This mixer has odd/even group panning, which means
that Groups 1/2 and Groups 3/4 are set up as stereo
pairs. Therefore, panning left will cause signals to be
sent to L Master, Group 1, and Group 3. Panning right
will send the signals to R Master, Group 2, and:-Group
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Program Bus Assign Switches (1/2, 3/4, L-R)
Input signals may be sent to Groups 1-4 and L-R Master
Busses by means of these switches.
Pre Fader Switches (PRE)
These switches select between a pre- or post-fader
takeoff point for the AUX 3 and AUX 4 signals. Pre is
normally used for monitoring applications, while post
is effective when using AUX 3 and AUX 4 as effects
sends.
The pre-fader signal can be set to either pre- or
post-EQ by means of internal jumpers.
NOTE:
JUMPER MODIFICATIONS MUST BE PERFORMED
BY AUTHORIZED SERVICE PERSONNEL.
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Direct Out Switches (DIR)
Selects the signal path for AUX 1. When the switch is
down, signal is sent from the AUX 4 control to the input
channel's Direct Output. The up position routes the AUX
1 signal to the AUX 1 mixing buss. No signal is present
at the channel’s Direct Output when this switch is up.
Example for use: A particular effect may be needed
for only 1 input source. The input source gets routed -
to the effect via its input channel's Direct Output, while
the send level is set by the AUX 1 control. Without
this function, the master AUX 1 output would have to
be connected to that effect. AUX 1 could then not be
used on any other input channel, since the effect was
intended for use with only the one input source. In
other words, the number of effects sends available is
not limited by the 4 AUX busses.
AUX Levei Controls (AUX 0-10)
These set the signal level being sent to each of the
AUX mixing busses (and Direct Out in the case of AUX
1).
Equalizer
Three-band equalizer :
The high and low bands are a shelving type
with cutoff frequencies of 12.5 kHz and 70 Hz
respectively. The mid band is a peaking type with
a continuously variable frequency range of 200 Hz
- 6.3 kHz,
High: +15dB (+ 12 dB at 12.5 kHz) Shelving
Mid : + 15 dB (200 Hz to 6.3 kHz) Peak/dip
Low: +15dB(+ 12 dB at 70 Hz) Shelving
Input Level Controls (INPUT)
These controls set the sensitivity of the A and B
universal mic/line inputs.
Proper. setting of these controls provides optimum
signal-to-noise ratio and approx. 22 dB of headroom
between --2 dB and —60 dB at A-input. (More than
18 dB between +4 dB and —2 dB) The A input nominal
level range is —60 dB to +4 dB. The B input nominal
level range is ~54 dB to +10 dB.
Input Selector Switches
These switches are used for selecting either the A
(XLR) Input or B (1/4” TRS Phone) Input.
Both A Input and B Input are electronically balanced.
48V Phantom Power Switches (+48V)
These are ON/OFF switches for 48 volt phantom
power, which is used by condensor microphones.
Phantom power is supplied only to the A input (XLR)
connector.
Direct Out Jacks (DIR,—2 dB 10 kohms)
(1/4” Phone Jack, —2 dB, 10 kohms, unbalanced)
Output signa! for each input channel. The Direct Out
is fed by the AUX 1 control when the DIR switch is
pushed in. May be used for effects send, multitrack
tape recorder send, etc.