MoniCoughManual KS 4320_manual 4320 Manual

KS-4320_manual Product: Kamesan KS-4320 | TASCAM

User Manual: KS-4320_manual

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TM

KS4320/KS4310
(switch and fader models)
Operating manual
POWE
R
EXT
INT

POWE
R
EXT
INT

SIG.

SIG.

O
N
O
N

O
F
F
B.T.

SIDE
TONE

SIDE
TO
ON
NE
E

NON

INT/B

NON

INT/B

TALK
BACK

TM

Table of Contents
Power ............................................................. 4
Battery operation ............................................ 4

A quick look at the MoniCough...................... 5
Connections................................................. 6
Microphone ..................................................... 6
Headphones: ................................................... 7
Line output ..................................................... 7
Monitor/talkback connection ............................ 7

Some sample setups (side tone)................... 7
Setting up the MoniCough ............................ 9
Talkback and intercom connection ................ 10
Operating the MoniCough ............................. 13
About the fader model (KS4310).................. 14
Specifications .............................................. 15
Schematic diagram (KS-4320)......................... 18
External view (KS4320)................................... 19
Schematic diagram (KS4310) .......................... 20
External views (KS4310) ................................. 21

Some troubleshooting tips ........................... 22
About Kamesan............................................ 23

2

TM

Thank you for using the Kamesan MoniCough unit. This provides you with an easy way of muting announcers’ microphone
input, and enabling talkback to and from the producer’s station.
Program monitoring following a number of different industry
standards is also available, as is a sideband facility.
Although the MoniCough is housed in a low-profile, attractive
case, and has been designed to be simple to operate, there
are a number of “hidden” features that add to its versatility.
We therefore recommend that you read the manual carefully
in order to discover the capabilities of the MoniCough so that
you can set it up to meet the needs of your production environment.

NOTE: There are two models of the MoniCough unit. One, as
described here, uses push-buttons for muting and talkback, and
another model which uses a fader for the same purpose. A brief
description of the fader model is provided in this manual for
reference.
There are also other variants of the MoniCough. There is a
choice of headphone connection, whereby either a stereo 1/4”
jack socket is provided (standard configuration), or a 7-pin XLR
input may be provided as an option, allowing the connection
of a balanced headset microphone along with the stereo headset.
As well as the basic power connection, the connections to the
MoniCough can be summarized as:
•
Microphone input
•
Headphone output
•
Output to main program mixer
•
Output to producer talkback
•
Input from producer talkback and intercom system

3

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Power
Connect a power supply providing at least 12VDC to the MoniCough. Suitable power supplies are available from Kamesan.
See the Kamesan Web site or consult your Kamesan dealer
for details. Third party power supplies may be used, provided
they meet the specifications provided in this manual. Use of
any other power supply may damage the MoniCough and connected equipment. If in doubt, always check and double-check
the specifications.

Battery operation
Alternatively, you may choose to use four AA batteries. Follow
the usual precautions when using batteries:
Always change all batteries together. Do not mix old and
new batteries.
Note the polarity of the batteries as marked in the battery
compartment when inserting batteries.
Do not mix different types of battery (for example, alkaline
and NiCad).

-3

OFF

SUM

SUM
-3

SUM
-3

-3

SUM

ON
TB SW.
FUNCTIO
N

ON
SIDE
TONE
OFF

MONI INT
/B
INT / AA

SIDE
TONE

Note the two power indicators, one of which is lit when the unit
is turned on, depending on whether battery power (INT) or DC
power (EXT) is being supplied to the unit.

4

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A quick look at the MoniCough
The illustrations below give you a brief guide to the MoniCough’s controls and features.
Note this these drawings show the switch model, fitted with the
optional XLR-7 connector, which is replaced by a 1/4-inch stereo jack in the standard model. The bottom panel of the MoniCough is described and illustrated separately as is the fader
model.
Front and top panels
Power indicators

Signal indicator
POWE
R
EXT
INT

Talk status indicator

SIG.

O
N

Talkback key

TALK
BAC
K

Talk switch
("cough key")

Stereo mini-jack
(headphones)

Side tone level

SIDE
TONE

Monitor level controls
NON

Headset connector
(standard model has
1/4" stereo jack here)

INT/B

Rear panel

Phantom power
switch
Monitor selection
switch
Power connector
Microphone gain
P48 LINE C-C
POWER
GAIN
control
1
RTS
35

40

Power switch

2

50
30

Microphone input

60

INPUT

DC+12V IN

MONI / TB

Monitor
input/talkback
output connector

5

OUTPUT

Output to
program mixer

TM

Connections
Microphone

Either:
connect a microphone to the INPUT XLR connector on the rear
panel.
The wiring of this connector follows the 1=ground, 2=hot,
3=cold convention as do all 3-pin XLR connectors on the MoniCough.

or:
if you have the MoniCough model fitted with the optional frontpanel 7-pin XLR connector, ensure that your headset is wired in
the way described here before making the connection.
1

Ground

2

MIC in (+)

3

MIC in (-)

4

Phones L (+)

5

Phones L (-)

6

Phones R (+)

7

Phones R (-)

IMPORTANT NOTE: The MoniCough can supply +48V
phantom power to the microphone (XLR-3 connection only). Use
the P48 switch on the rear panel to turn this on, only if you are
connecting a condenser microphone which requires phantom
power. If you have connected any other kind of microphone, do
not turn this switch on.

Use the GAIN control to adjust the microphone signal level so
that the SIGNAL indicator lights. A setting of between 30 and
60 typically gives good results. The small SIG. (signal) indicator
under the “MoniCough” logo lights yellow when a sufficiently
high post- gain signal is detected.

6

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Headphones:
For the stereo jack model, use either the 1/4” jack or 3.5 mm
mini-jack stereo connections on the front panel.
Alternatively, if you have the MoniCough model fitted with the
optional front-panel 7-pin XLR connector, connect your headset
to the XLR connector. Check that the connections are as described above before making the connection.

Line output
Use the balanced XLR connector to connect the output of the
MoniCough to the mixer input, etc.

Monitor/talkback connection
To connect the MoniCough to the system-wide monitoring and
talkback system, use the MONI/TB connector. The actual wiring
of this connector differs, depending on the paging and talkback
system in use, as selected by the monitor selection switch
above this connector. Make sure that all cables are wired in accordance with your system before making this connection.
This connector carries both the talkback signal(s) from the
booth announcer to the program controller and from the control intercom system to the booth announcer.
See the section on monitoring and talkback for full details of
how to use the monitor and talkback connections.

Some sample setups (side tone)
The following illustrate some of the ways in which the MoniCough can be used in different situations using the side tone facility or a feed from the main console, depending on the broadcast setup currently in use:
In the two examples below, one MoniCough unit is deployed
with a separate headset and mic setup, and another with an integrated headset/mic. Functionally, these setups are identical,
but the side tone feed is different.
In the first example, side tone is generated using a feed from
the local sources, since there is a minimal time lag between the
signal’s transmission and its reception.

7

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Live sources
Ambience
Guide channels
Reporter
Talkback
(paging line)

Program

Output from MoniCough
(announcer)
To central station
(master)

Monitor
outputs
Inputs from local
(L-R)
sources
Facility talkback/paging
External DC power supply
POWER
EXT
INT
SIG.

POWER
EXT
INT

O
N

SIG.

O
N

O
F
F
B.T.

O
F
F
B.T.

SIDE
TONE

SIDE
TONE

MONI

INT/B

MONI

INT/B

Guest commentator

Announcer

In this second example below, the broadcast signal is transmitted via satellite. Program material is fed back via telephone line to avoid lag, and the headset microphone input is
also fed back in an internal loop to the MoniCough headset.
Satellite uplink
Satellite downink
(not used for
sideband because of
delay)
Ambience, Guide channels, Reporter
Talkback
(paging line)

Program
material fed
from landline

Live sources
Ambience
Guide channels
Reporter

Output from MoniCough
(announcer)
To central station
(master)

Monitor
outputs
(L-R)

Inputs from local
sources

Facility talkback/paging
Sidetone

External DC power supply
Sidetone

POWER
EXT
INT

SIG.

POWER
EXT
INT

O
N

TALK
BACK

SIG.

O
N

TALK
BACK

SIDE
TONE

SIDE
TONE

MONI

INT/B

MONI

Announcer

INT/B

Guest commentator

When you use the side tone feature in this way, you must enable
it using the switch on the bottom panel (see the next section)
and adjust the volume of this side tone signal with the front
panel control.

8

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Setting up the MoniCough
The switch settings on the bottom panel allow you to customize
the MoniCough for your particular working style.
Sets mic live or muted
at power-on (nonlatching only)

COUGH SWITCH
ALTERNATE
ON

ON

Latching /
Non-latching

Sets mic live or muted
at power-on (latching
only)

O
N

ON

TB SW
FUNCTION
O
N

OFF

ON

SIDE
TONE
OFF

MOMENTARY

Enables/disable
side tone

Enables/disables
talkback switch

See the illustration above for details of how these switches are
used. This illustration refers to the switch model (KS4320) of
the MoniCough. The settings for the fader model (KS4310) are
slightly different, and are explained at the end of this manual.
Firstly you can set the “cough key” to be latching (ALTERNATE)
or non-latching (MOMENTARY).
In non-latching mode, the mic can be muted at power-up
(switch in upper position) or live (switch in down position) at
power-up. This effectively allows you to select the cough key as
either a push-to-talk (switch up) or push-to-mute (switch down)
key.
With the cough key in latching mode, you can choose the the
mic to be “on-air”—the ON indicator is lit (switch in upper position) at power-up, or muted—the ON indicator is unlit (switch in
down position) at power-up. Push the cough key to toggle between on-air and muted (as shown by the indicator)
In this bottom panel, you can also find the controls that enable
or disable the TALK BACK key and switch the SIDE TONE on and
off (the use of side tone is explained in the previous section).

NOTE: If the cough key is accidentally left in the muted position
(momentarily) by the announcer, the producer can manually
override the mute with the remote switch function. Note that this
is only available on the switch model, and that remote muting is
not possible.
9

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Talkback and intercom connection
As mentioned earlier, the MoniCough is capable of supporting
the common industry-standard intercom formats.
These are selected using the rotary monitor selection switch on
the rear panel of the unit.
Monitor selection switch

P48 LINE C-C

GAIN
40

35

RTS

1

POWER

2

50
30

60

DC+12V

MONI / TB

INPUT

OUTPUT

Note that depending on the switch setting here, the wiring
assignment of the MONI/TB 7-pin XLR connector on the rear
panel will change. See the specifications for full details.

The meaning of the different settings is as follows:
RTS : This switch position uses the RTS IFB system. The MoniCough takes the interrupt and non-interrupt lines and feeds
them to the left and right channels respectively of the headphone system.
Use the INT/A and NON INT/B level controls on the front panel of
the MoniCough to adjust the levels of the interrupt and non-interrupt signals respectively.
MONI (IFB ) / TB

for RTS

7

6

(0dB/10K)

L

1

5

SIDE TONE
LINE
INTERRUPT,A

2

L ch
BA

RTS

Using 2 pots

4

3
BAL

RTS(INT.)

INTERRUPT

BA

BA

R ch

RTS

NON INTERRUPT

BA
BAL

NON INTERRUPT,B

RTS(NON-INT.)

These signals are at 0 dB and with an impedance of 10 kΩ.

10

R

TM

LINE : This switch position allows the MoniCough to take a stereo monitoring signal and feed it to the left and right headphone
outputs.
Use the INT/A control on the front panel to adjust the level of
both channels of the stereo signal.
MONI (IFB ) / TB

LINE MONITOR

7

6

L

1

5
4

LINE
INTERRUPT,A

Clear-Com 2-A
Clear-Com 1

2

Using Gang-pot

R

SIDE TONE

(0dB/10K)
3
BAL

BAL

LINE

BA

LINE

BA

LINE(L)
RTS(INT.)

BA
BA

L ch

R ch

Clear-Com 2-B
Clear-Com 1

LINE(R)

NON INTERRUPT,B

RTS(NON-INT.)

These signals are at 0 dB and with an impedance of 10 kΩ.
C-C 1 : This stands for Clear-Com, type 1, where one signal
is received and split to both the left and right headphone outputs.
Use the INT/A control on the front panel to adjust the signal level
in both headphones.
MONI (IFB ) / TB

for Clear-com
(1ch,TR-50 )
( -15dB/10K )

7

6

L

1

5

Clear-Com 1

SIDE TONE
LINE
INTERRUPT,A

2

L ch
BA

Clear-Com 1
4

3
BAL

Clear-Com 1

Using Gang-pot

BA

BA
BA

R ch

Clear-Com 1
NON INTERRUPT,B

BAL

This signal is at –15 dB and with an impedance of 10 kΩ.

11

R

TM

CC 2 : This stands for Clear-Com, type 2, where two signals are
received and fed independently to the left and right headphone
channels.
Use the INT/A control to adjust the level of the Clear-Com 2-A
signal, and the UNINT/B control to adjust the level of the ClearCom 2-B signal.
MONI (IFB ) / TB

for Clear-com
(2ch,TR-532 )
( -15dB/10K )
Using 2 pots

7

6

L

1

5

Clear-Com 2-A

2
4

Clear-Com 2-B

SIDE TONE
LINE
INTERRUPT,A

3

L ch
BA

Clear-Com 2-A

BAL

BA

BA

R ch

Clear-Com 2-B
BA
BAL

NON INTERRUPT,B

These signals are at –15 dB and with an impedance of 10 kΩ.

12

R

TM

Operating the MoniCough
The MoniCough operation depends chiefly on the settings made
on the bottom panel of the unit.
Basically, the ON switch is used to turn the mic between live
and muted. Whether the switch is latching or non-latching, and
whether the unit is on-air or muted when turned on are determined by the switch settings. See the section on “Setting up the
MoniCough” earlier in this manual for details.
When the TALK BACK key is pressed and the bottom panel
TB SW FUNCTION switch is set to ON, talkback through the intercom system is enabled with the TALK BACK key. If the program
output is not already muted, pressing the TALK BACK key mutes
it. When this switch is OFF, talkback is always enabled (the
TALK BACK key is disabled).
The mic volume is adjusted using the GAIN control (controlling
the program and talkback gain together).
The side tone level is adjusted using the SIDE TONE control on
the front panel (when it has been enabled using the bottom
panel SIDE TONE switch).
The pager/communications feed levels are adjusted on the
MoniCough as explained in the previous section, using the
INT/A (and optionally the NON INT/B) control(s), depending on
the setting of the selector switch.
As a reminder, the switch positions are given again here:
Sets mic live or muted
at power-on (nonlatching only)

COUGH SWITCH
ALTERNATE
ON

ON

Latching /
Non-latching

Sets mic live or muted
at power-on (latching
only)

O
N

ON

TB SW
FUNCTION
O
N

OFF

ON

SIDE
TONE
OFF

MOMENTARY

Enables/disables
talkback switch

13

Enables/disables
side tone

TM

About the fader model (KS4310)
The principal difference between the fader and switch models is
that on the fader model the talk switch and the TALK BACK key
are replaced by a single fader. Note that the illustration here
shows the standard 1/4” headphone jack model.
POWE
EXT
INT

R

SIG.

O
N

O
F
F
B.T.

SIDE
TONE

NON

INT/B

Pushing the fader up enables the microphone and lights the
ON indicator, which therefore acts as an “on air” indicator.
Since the concept of “latching” versus “non-latching” does not
apply here, the different options available through the switches
on the switch model’s bottom panel are not available on the
fader model.
The TALK BACK key’s functionality is achieved by pulling
the fader down (and muting the output) to a non-latching
position where the B.T. Indicator lights (“back talk”). The
TB SWITCH FUNCTION key on the bottom panel is used to enable
or disable this function. When disabled, talkback is always active, regardless of the fader position.

14

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Specifications
Connections (input and output XLR-3)
¥¥OUTPUT connector

INPUT¥connector

Pinout

2¥HOT

1

1

2

ł Type

2

1¥GROUND

3

3
Plug type

3¥COLD

¥¥XLR - 3 - 31 ¥¥¥¥¥
XLR - 3 - 12 type

XLR - 3 - 32
XLR - 3 - 11 type

Connections (headset and MONI/TB connectors)
HEADSET Connector

¥¥Pinout¥¥¥¥ ¥¥MONI / TB Connector¥¥Pinout
1 F.G
7

1

1 F.G

2

2 MIC IN
3
7
4

( HOT )

3 MIC IN
( COLD )
4 H.P - Left ( HOT )
5 H.P - Left ( COLD )

2
3
6

1

5

2

4

6 H.P - Right ( HOT )
7 H.P - Right ( COLD )

6

5
4

5

3

NC7MDL-B-1¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥XLR - 7 - 31

6
7

RTS *
(GROUND )
Clear-com 2 ** (GROUND )
Clear-com 1 *** (GROUND )
TALK BACK OUT ( HOT )
TALK BACK OUT ( COLD )
MONI INPUT - L ( HOT ) or
RTS INTERRUPT *
or
Clear-com 2-A **
MONI INPUT - L ( COLD ) or
RTS NON-INTERRUPT *
or
Clear-com 2-B **
or
Clear-com 1 ***
MONI INPUT - R ( HOT )
MONI INPUT - R ( COLD )

Plug type¥¥¥¥XLR - 7 - 1 1 type¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥XLR - 7 - 12 type

Note that the MONI/TB connector pinout varies, depending on
the setting of the monitor switch.
In the table above, no asterisk by a pin descriptor means that
the pin retains its function in all modes or that in the case of
multiple functions for that pin, the LINE mode is selected. One
asterisk (*) indicates the RTS setting. Two asterisks (**) show
that this assignment is valid in the CC-2 mode, and three asterisks show the assignment is valid in CC-1 mode.

15

TM

Connections (power input)
DC Input Connector

PINassignment

1 0V
1

4

2 FU ON OUT
3 N.C.
4 +9¥ +15V

2

3

¥NC7MDL-B-1
Plug Type

XLR - 4 - 1 1 type

Audio specifications
Input
Input impedance

1.2 kΩ (transformer-less balanced input)

Input gain

30 dB to 60 dB (60 dB gain setting is equivalent to 0 dB output with an input level of
–62.5 dBs (–60 dBm)

Output
Output impedance

about 34 Ω (under load,
equipped balanced input)

transformer-

Output level

_20 dBm (with 6 V power supply and a load
of 600 Ω)

Frequency response

50 Hz to 15 kHz +0 dB, –0.5 dB

Signal-to-noise ratio

>62 dB (gain at 60 dB and output of 0 dBm)
>79 dB (gain at 30 dB and output of 0 dBm)

Total harmonic distortion

<0.2% (input level > 20 dB)

FU

>90 dB (fader and switch models

16

TM

Monitor section
Input
Input impedance

10 kΩ (transformer-less balanced input)

Input level

0 dBs

Output
Output level

–10 dBs (with a load of 32 Ω, jack headphone type, single signal)
–4 dBs (with a load of 200 Ω, XLR headphone connector)

Maximum output level

+4 dBs (with a load of 32 Ω, jack headphone type, single signal)
–8 dBs (with a load of 200 Ω, XLR headphone connector)

Total harmonic distortion

<0.2% (input level > 20 dB)

Maximum talkback level (from +16 dBm
MoniCough)

Other characteristics
Power supply

External power supply (+9 to +15 V – maximum current 0.4 A), or 4 x type 3 (AA)
batteries

Battery life

Better than 5 hours with alkaline batteries
(3 hours with manganese) at normal temperature conditions (20˚C, 68˚F)

Dimensions (w x h x d)

97 x 65 x 160 (mm) 3.8 x 2.6 x 6.3 (in)

Weight (main unit)

1 kg (approx. 2.2 lb) without batteries

Weight (probe)

180 g (including 2 m (>6 ft) cord) (6.5 oz)

17

TM

Schematic diagram (KS-4320)
OFF
ON

OUTPUT SIGNAL

48V DC - DC CONV.
PHANTOM
INPUT GAIN
ON

60~30

INPUT

OUTPUT

HA

BA

SW

(3Pin XLR)

T

ON(OFF)key

ON Cont.
ON Tally

(3Pin XLR)

COUGH

ON Cont

CONTROL
ALT.
MOM.

MUTE

TB ON

ON
OFF

Key operation

Startup mode (ALT)

PUSH ON
PUSH OFF

TALK BACK SW
ON

T

ON key mode(MOM)
OFF

TALK BACK

BA

TB SW . FUNCTION

SIDE TONE ON IND.

MONI (IFB)/TB
(7Pin XLR)

BAL

3.5
STEREO Mini

Clear-Com 2-B

SIDE TONE
Clear-Com 2-A
Clear-Com 1

LINE
INTERRUPT,A

Clear-Com 1

BA

LINE

L ch

HeadPhone

RTS

LINE(L)
RTS(INT.)

(6

Stereo Jack)
or
OPTION 1

Clear-Com 2-A
Clear-Com 1

BA

R ch
BA

LINE
RTS

BA

Clear-Com 2-B
Clear-Com 1

BAL

LINE(R)
RTS(NON-INT.)

BA

BTL

MIC
L ch

Head Set

R ch

(4~7Pin XLR)

NON INTERRUPT,B

BA

BTL

OPTION 1

~+ 14V
MONI. POWER SW

MONITOR AMP POWER
EXT.
Power IND.

DC IN
&
ON Tally
(4Pin XLR)

ON

Reg
Low Volt Det.

BATT.(SUM-3X4)

~+6V

ON
DRY BATTERY

INT.

MIC AMP POWER

POWER SW

18

40

65

161

9

( 6.5

19
79

O
N

SIG.

Dec. 12. 2002 T.Takiguchi

Stereo Phone jack )

NON INT / B

INT / A

TALK
BACK

Moni Cough

Standard Model

SIDE
TONE

INT

EXT

POWER

( Cannon 7pin )

Headset ( Option )

SIDE
TONE

NON INT / B

INT / A

50

40

INPUT

60

GAIN

30

35

O
N

O
N

1

2

NC

ON

OFF

Rear View

MONI / TB

RTS

P48 LINE C-C

MOMENTARY

ON

ON

TB SW
FUNCTION

3

DC IN
+9 15V

4

1

0V

DC 12V IN
ASSIGNMENT

4 HOT
MONI IN L
5 COLD ( IFB )
6 HOT
MONI IN R
7 COLD

2 (COUGH
ON TALLY)

TB OUT

COUGH SWITCH
ALTERNATE

1 GND
2 HOT
3 COLD

SIDE
TONE

OUTPUT

DC +12V
IN

POWER

OFF

ON

XLR-7 PIN
ASSIGNMENT

TM

External view (KS4320)

158

TM

Schematic diagram (KS4310)
OFF
ON

OUTPUT SIGNAL

48V DC - DC CONV.
PHANTOM
INPUT GAIN

ON
COUGH
(wiht BT SW)

60~30

INPUT

OUTPUT
BA

HA

(3Pin XLR)

(3Pin XLR)
T
ON Tally OUT

TB ON

ON

T

OFF

TALK BACK

BA

TB SW. FUNCTION

SIDE TONE ON IND.

Clear-Com 2-A
Clear-Com 1

MONI (IFB)/TB
(7Pin XLR)

BAL

3.5
STEREO Mini

Clear-Com 2-B

SIDE TONE
LINE
INTERRUPT,A

Clear-Com 1

BA

LINE

L ch

HeadPhone

RTS

LINE(L)
RTS(INT.)

(6

Stereo Jack)
or
OPTION 1

Clear-Com 2-A
Clear-Com 1

BA

BA

LINE

R ch

RTS

BA
BAL

Clear-Com 2-B
Clear-Com 1
LINE(R)
RTS(NON-INT.)

BA

BTL

MIC
L ch

NON INTERRUPT,B

BA

BTL R ch

Head Set
(4~7Pin XLR)
OPTION 1

~+ 14V
MONI. POWER SW

MONITOR AMP POWER
EXT.
Power IND.

INT.

DC IN
&
ON Tally
(4Pin XLR)

ON

Reg
Low Volt Det.

BATT.(SUM-3ÅX4)

~+6V

ON
DRY BATTERY

MIC AMP POWER

POWER SW

20

40

65

161

9

( 6.5

21
79

B.T

O
F
F

O
N

SIG.

Dec. 12. 2002 T.Takiguchi

Stereo Phone jack )

NON INT / B

INT / A

Moni Cough

Standard Model.

SIDE
TONE

INT

EXT

POWER

( Cannon 7pin )

Headset ( Option )

SIDE
TONE

NON INT / B

INT / A

INPUT

2

OFF

Rear View

MONI / TB

1

P48 LINE C-C
RTS

ON

NC

TB SW
FUNCTION

3

DC IN
+9 15V

4

1

0V

DC 12V IN
ASSIGNMENT

4 HOT
MONI IN L
5 COLD ( IFB )
6 HOT
MONI IN R
7 COLD

2 (COUGH
ON TALLY)

TB OUT

50

40

60

GAIN

30

35

1 GND
2 HOT
3 COLD

SIDE
TONE

OUTPUT

DC +12V
IN

POWER

OFF

ON

XLR-7 PIN
ASSIGNMENT

TM

External views (KS4310)

158

TM

Some troubleshooting tips
Your voice is not getting through from the microphone to
the program
Are you sure the ON indicator is on? Whether the mic is
live or not at power-up depends on the switch settings on
the bottom panel). In non-latching mode, this determines
whether the cough key is a push-to-talk or push-to-mute key.
Is the GAIN control turned up?

Your voice is not getting through from the microphone
to the producer when press the talkback key (or pull the
fader down)
Is the TB switch on the bottom panel enabled?
Is the GAIN control turned up?

If you cannot hear your own voice in the headphones
Is the side tone switch set on, and is the side tone volume
turned up?

You cannot hear the producer’s voice (or the program
material) in the headphones
Is the correct pager system selected?
Are the INT A (and NON INT B) volume controls turned up?

22

About Kamesan
Sigma Systems Engineering was started in 1972 to develop and
design professional mixers for studio and remote broadcast applications.
Today, following the “slow and steady” principle of the tortoise,
we have built up our sales and our reputation to the extent that
we now enjoy 95% of the Japanese portable mixer market.
We have concentrated on two or three main areas in our design
philosophy: compactness, in an industry which was traditionally dominated by large, heavy equipment; ease of use, since
time is always of the essence in the environments where our
products are used; and quality, to match the needs that today’s
broadcasters require.
Our head office is in Shinjuku, Tokyo, and as a small company,
we are happy to listen to the ideas for product improvement
suggested by you, the customers and users of our equipment.
Making steady progress (like a tortoise, but maybe a little
faster!), we hope to meet your requirements, now and in the
future.
Visit both of our Web sites at http://www.kamesan.co.jp and
http://www.kamesan.info in order to find out more about
what we’re doing, and to let us know what you are doing with
Kamesan products.

Sigma Systems Engineering Co. Ltd.
3-5-2 Okubo
Shinjuku-ku
Tokyo 169- 0072
JAPAN

Tel: +81 3 3204 2611
Fax: +81 3 3204 2250
e-mail: sales@kamesan.co.jp



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