Yamaha PM5000 Owner's Manual - Page 16

HPF Block, EQ Block, GAIN] Control, L+R] Switch stereo modules only, ø] Phase Switch - hi level

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Input Channel Section 3 [GAIN] Control Adjusts the input level. When the [PAD] switch is off the input level can be adjusted from -10 dB through -60 dB. When the [PAD] switch is engaged the range is from +16 dB through -34 dB. NOTE Stereo modules feature concentric gain controls: the inner control adjusts the gain of the left channel and the outer control adjusts the gain of the right channel. 4 [L+R] Switch (stereo modules only) When this switch is engaged the stereo input signal is summed to a mono mix, allowing the stereo input modules to be used as mono input modules, as required. NOTE To maintain the proper subjective signal level the left and right channels are attenuated by 3 dB. 5 [ø] (Phase) Switch Engaging this switch reverses the phase (also referred to as the "polarity") of the input signal. HPF Block The high-pass filter can be used to attenuate unwanted low-frequency noise that can adversely affect the overall sound. 6 6 [HPF] Switch and Control The filter is activated when the switch engaged, and the control can be used to adjust the high-pass filter cutoff frequency from 20 Hz through 400 Hz. The filter has a 12-dB/oct. cutoff slope. EQ Block This 4-band equalizer features individually-adjustable HIGH, HI-MID, LO-MID, and LOW bands for versatile shaping of the channel signal. The HIGH and LOW bands are switchable between shelving and peaking operation, while the HI-MID and LO-MID bands are peaking types. 7 7 EQ Controls Two controls are provided for each EQ band: the upper "Q" control adjusts bandwidth, while the lower concentric control adjusts frequency (outer control) and gain (inner control). The HIGH and LOW 8 bands additionally have a peaking/shelving switch that determines the band's mode of operation: engaging the switch selects the shelving mode. HIGH HI-MID LO-MID LOW 1 kHz ~ 20 kHz, -15 dB ~ +15 dB (peaking and shelving modes) 400 Hz ~ 8 kHz, -15 dB ~ +15 dB 80 Hz ~ 1.6 kHz, -15 dB ~ +15 dB 30 Hz ~ 600 Hz, -15 dB ~ +15 dB (peaking and shelving modes) * For all bands Q (bandwidth) can be adjusted from 0.5 ~ 3.0. 8 [EQ] Switch Turns the 4-band EQ block on or off. When the [EQ] switch indicator is off the EQ circuitry is bypassed. EQ is active when the indicator is lit. 16

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16
Input Channel Section
3
[GAIN] Control
Adjusts the input level. When the [PAD] switch is off the
input level can be adjusted from –10 dB through –60 dB.
When the [PAD] switch is engaged the range is from +16
dB through –34 dB.
4
[L+R] Switch (stereo modules only)
When this switch is engaged the stereo input signal is
summed to a mono mix, allowing the stereo input
modules to be used as mono input modules, as required.
5
[ø] (Phase) Switch
Engaging this switch reverses the phase (also referred to
as the “polarity”) of the input signal.
HPF Block
The high-pass filter can be used to attenuate unwanted
low-frequency noise that can adversely affect the overall
sound.
6
[HPF] Switch and Control
The filter is activated when the switch engaged, and the
control can be used to adjust the high-pass filter cutoff
frequency from 20 Hz through 400 Hz. The filter has a
12-dB/oct. cutoff slope.
EQ Block
This 4-band equalizer features
individually-adjustable HIGH,
HI-MID, LO-MID, and LOW
bands for versatile shaping of
the channel signal. The HIGH
and LOW bands are switchable
between shelving and peaking
operation, while the HI-MID
and LO-MID bands are peaking
types.
7
EQ Controls
Two controls are provided for
each EQ band: the upper “Q”
control adjusts bandwidth,
while the lower concentric
control adjusts frequency (outer
control) and gain (inner
control). The HIGH and LOW
bands additionally have a
peaking/shelving switch that
determines the band’s mode of
operation: engaging the switch
selects the shelving mode.
* For all bands Q (bandwidth) can be adjusted from 0.5 ~ 3.0.
8
[EQ] Switch
Turns the 4-band EQ block on or off. When the [EQ]
switch indicator is off the EQ circuitry is bypassed. EQ
is active when the indicator is lit.
NOTE
Stereo modules feature concentric gain controls: the inner control
adjusts the gain of the left channel and the outer control adjusts
the gain of the right channel.
NOTE
To maintain the proper subjective signal level the left and right
channels are attenuated by 3 dB.
6
HIGH
1 kHz ~ 20 kHz, -15 dB ~ +15 dB (peaking
and shelving modes)
HI-MID
400 Hz ~ 8 kHz, -15 dB ~ +15 dB
LO-MID
80 Hz ~ 1.6 kHz, -15 dB ~ +15 dB
LOW
30 Hz ~ 600 Hz, -15 dB ~ +15 dB (peaking
and shelving modes)
7
8