Yamaha MM1242 Owner's Manual - Page 5

Front Panel Controls, Input Channel

Page 5 highlights

Front Panel Controls s Input Channel GAIN +10 -16 -60 -26 LINE MIC HIGH 1 2 HI--15 +15 MID -12 +12 LOMID -12 +12 LOW -15 +15 AUX 1 0 AUX 2 P 10 O S T 0 10 AUX 3 0 AUX 4 10 P R E 0 10 PAN L R PEAK PFL 3 4 5 6 7 10 5 0 5 10 15 20 30 40 00 8 1 GAIN control This control adjusts the input sensitivity of each input channel from -16dB to -60dB for microphone source through the XLR input connectors, and from +10dB to -26dB for line source through the phone jack input connectors. For optimum performance, adjust this GAIN control so that the PEAK indicator LED lights occasionally. 2 LINE/MIC switch This switch toggles between MIC IN. Push this switch in (to MIC) when a microphone is connected to the MIC IN connector. Set this switch to LINE when a line source is connected to the LINE IN connector. 3 EQ The equalizer section provided on each input channel consists of LOW, LO- MID, HI-MID and HIGH controls at the following frequencies with the maximum range of ±15dB. HIGH : 12kHz HI-MID : 3kHz LO-MID : 300Hz LOW : 80Hz Frequency response will be flat when each control is set to the center. RESPONSE (dB) +20 +15 +10 +5 0 -5 -10 -15 -20 50ɹɹ100ɹ 200ɹɹ500ɹɹ1kɹɹ2kɹɹɹ 5kɹɹ10kɹɹ20k FREQUENCY (Hz) 4 AUX send controls Each AUX control determines the level of the signal sent from the input channels to the correspondingly-numbered AUX mixing bus. • AUX 1 and AUX 2 are factory pre-wired for post-fader operation, so the AUX 1 and AUX 2 signals are affected by the setting of the channel fader. • AUX 3 and AUX 4 are factory pre-wired for pre-fader operation, so the AUX 3 and AUX 4 signals are not affected by the setting of the channel fader. Therefore, the signal can be output either to AUX 3 or AUX 4 as an auxiliary output, instead of using the stereo outputs. 2

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2
Front Panel Controls
Input Channel
1
GAIN control
This control adjusts the input sensitivity of each input channel from –16dB to
–60dB for microphone source through the XLR input connectors, and from
+10dB to –26dB for line source through the phone jack input connectors. For
optimum performance, adjust this GAIN control so that the PEAK indicator
LED lights occasionally.
2
LINE/MIC switch
This switch toggles between MIC IN. Push this switch in (to MIC) when a mi-
crophone is connected to the MIC IN connector. Set this switch to LINE when
a line source is connected to the LINE IN connector.
3
EQ
The equalizer section provided on each input channel consists of LOW, LO-
MID,
HI-MID and HIGH controls at the following frequencies with the
maximum range of
±
15dB.
HIGH
: 12kHz
HI-MID
: 3kHz
LO-MID
: 300Hz
LOW
: 80Hz
Frequency response will be flat when each control is set to the center.
50
100
200
500
1k
2k
5k
10k
20k
FREQUENCY (Hz)
+20
+15
+10
+5
0
–5
–10
–15
–20
RESPONSE (dB)
4
AUX send controls
Each AUX control determines the level of the signal sent from the input
channels to the correspondingly-numbered AUX mixing bus.
AUX 1 and AUX 2 are factory pre-wired for post-fader operation, so the
AUX 1 and AUX 2 signals are affected by the setting of the channel fader.
AUX 3 and AUX 4 are factory pre-wired for pre-fader operation, so the
AUX 3 and AUX 4 signals are not affected by the setting of the channel
fader. Therefore, the signal can be output either to AUX 3 or AUX 4 as an
auxiliary output, instead of using the stereo outputs.
GAIN
+10
–16
–60 –26
LINE
MIC
HI-
MID
–12
+12
HIGH
–15
+15
LO-
MID
–12
+12
LOW
–15
+15
AUX
1
0
10
AUX
2
0
10
AUX
3
0
10
AUX
4
0
10
PAN
L
R
P
O
S
T
P
R
E
PEAK
PFL
10
5
0
5
10
15
20
30
40
00
1
2
3
4
5
6
7
8