Yamaha M2500 Owner's Manual - Page 24

Talkback/oscillator

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Talkback/oscillator section 1 PINK 10kHz 1kHz 2 100Hz ON OSCILLATOR AUX1-2 AUX3-6 AUX7-10 3 AUX11-14 MIC ST 4 0 10 TB/OSC MONO/C 5 ON TALKBACK 6 7 8 9 J K Control panel F AUX 1-2 switch G AUX 3-6 switch H AUX 7-10 switch I AUX 11-14 switch J ST switch K MONO/C switch These switches send the talkback or oscillator signal to AUX buses 1-2, AUX buses 3-6, AUX buses 7-10, AUX buses 11-14, the STEREO bus, and/or the MONO/C bus. Each switch can be turned on/off independently. STEREO MONO/C MIC 3 AUX 1 3 5 7 9 11 13 LR 2 4 6 8 10 12 14 from CPU ON TB/OSC 54 67 8 9 JK A OSCILLATOR select switches These switches select a test tone oscillator, and start oscillation. Only one switch at a time can be selected. The corresponding indicator will light to show the switch that is turned on. • PINK switch This generates pink noise. • 10 kHz/1 kHz/100 Hz switches These generate a sine wave of the corresponding frequency. Note: The oscillator cannot be used together with talkback. If you wish to use the oscillator, you must turn off the talkback ON switch (5). B OSCILLATOR ON switch This switch turns the oscillator on/off. C MIC jack This is an XLR-3-31 input jack (unbalanced) for connecting a talkback mic. Mics of 50-600Ω impedance are supported. D TB/OSC control This adjusts the level of the talkback or oscillator. E ON switch This is an on/off switch for the talkback. If this is on, the indicator above the switch will light. If you wish to use the oscillator, you must turn off this switch. 21 M2500-Owner's Manual

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Control panel
M2500—Owner’s Manual
21
Talkback/oscillator section
A
OSCILLATOR
select switches
These switches select a test tone oscillator, and start
oscillation. Only one switch at a time can be selected.
The corresponding indicator will light to show the
switch that is turned on.
•
PINK
switch
This generates pink noise.
•
10 kHz
/
1 kHz
/
100 Hz
switches
These generate a sine wave of the corresponding fre-
quency.
B
OSCILLATOR ON
switch
This switch turns the oscillator on/off.
C
MIC
jack
This is an XLR-3-31 input jack (unbalanced) for con-
necting a talkback mic. Mics of 50–600
Ω
impedance
are supported.
D
TB/OSC
control
This adjusts the level of the talkback or oscillator.
E
ON
switch
This is an on/off switch for the talkback. If this is on,
the indicator above the switch will light. If you wish
to use the oscillator, you must turn off this switch.
F
AUX 1-2
switch
G
AUX 3-6
switch
H
AUX 7-10
switch
I
AUX 11-14
switch
J
ST
switch
K
MONO/C
switch
These switches send the talkback or oscillator signal
to AUX buses 1–2, AUX buses 3–6, AUX buses 7–10,
AUX buses 11–14, the STEREO bus, and/or the
MONO/C bus. Each switch can be turned on/off
independently.
Note:
The oscillator cannot be used together with
talkback. If you wish to use the oscillator, you must
turn off the talkback ON switch (
5
).
AUX11-14
MONO/C
ST
AUX7-10
AUX3-6
AUX1-2
ON
100Hz
1kHz
10kHz
PINK
ON
TALKBACK
OSCILLATOR
TB/OSC
MIC
0
10
6
7
8
9
J
K
1
5
4
3
2
from CPU
MIC
TB/OSC
LR
MONO/C
STEREO
ON
AUX
14
13
12
11
10
9
2
3
4
5
6
7
8
1
5
4
3
K
J
67 8 9