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Kamesan KS 342_operating Manual

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Page 11

11
KS-342
used  as  direct  outputs  from  channels  3  and  4).  The  wiring  is: 
1 = ground, 2= L+, 3 = L –, 4 = R+, 5 = R–. There is a choice of output 
levels:  –20 dB  or  – 60 dB,  selectable  by  the  switch  immediately 
below this connector.
ST  OUT This  unbalanced  3.5 mm  stereo  jack  output  provides 
another  stereo  output  for  feeding  unbalanced  inputs  (on  a 
camera, for example). The level is – 60 dB. 
SOURCE  SELECT  switch This  allows  the  choice  of  whether 
the MAIN and SUB...

Page 12

12
KS-342
Front panel
The  front  panel  is  where  you  will  make  the  majority  of  the  set-
tings while you are using the KS -342.
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Page 13

13
KS-342
time,  but  in  this  case,  the  level  and  right  VU  meter  indication 
will be lower than the actual values.
Channel faders The nominal position is at about the 2 o’clock 
position, when the fader is pointing to the channel number.
NOTE
In MS mode, faders 1 and 2 have a slightly different meaning, as 
explained in the appropriate section.
Slate  microphone This  built- in  microphone  allows  the  opera-
tor to make comments, or clapperboard, etc. signals to be add-
ed to the main mix....

Page 14

14
KS-342
2. Turn the power on (up), and then turn the oscillator 
switch on (down).
3. To monitor both channels together, set the monitoring 
selection switch to the L/R setting (for an explanation of 
the monitoring switch settings).
4. Adjust the level of the outputs so that the meter reads 0 
dB (or the equivalent, depending on the meter.
5. Remember to turn the oscillator off when the adjustment 
has been made.
The center position is off.
Master  level  controls  Adjust  the  output  level  with...

Page 15

15
KS-342
VU  scale These  meters  conform  to  the  VU  standard,  providing 
an averaged level reading. 0 VU marks the reference position.
BBC  scale Developed  by  the  British  Broadcasting  Corporation, 
this  peak  meter  standard  goes  from  1  to  7  (each  step  repre-
sents  4  dB)  with  a  fast  rise  and  slow  fall  time.  The  reference 
level is “6”. 
Nordic  scale Another  peak  meter  type,  with  0  again  being  the 
reference level, but the readings are from – 42  to +12 dBu.
In...

Page 16

16
KS-342
Expansion
The KS -342 may be used together with the KS - 6001 sub mixer, 
which provides a further four channels of input feeding the AUX 
bus,  and/or  the  KS - 6002  compressor/EQ  module,  which  pro-
vides sweepable 2 - band EQ and compression facilities for each 
channel.  The  KS -342  can  act  as  the  power  source  for  these 
units, which integrate neatly with the built- in connector on the 
top panel of the unit. 
These  modular  connectors  allow  you  to  build  up  a  portable...

Page 17

17
KS-342
Specifications
Audio specifications
Input levels (all 
continuously variable 
and electronically 
balanced)
MIC–70 to –30 dBs
LINE–20 to +4 dBm
AUX–20  to +4 dBm
Input impedanceMIC3.0 kΩ 
LINE600 Ω
AUX10 kΩ
Headroom32 dB (pre -fader input)
Analog output levelsMAIN+4/ 0 / –20 / – 60 dBm switchable 
(600Ω load) transformer balanced 
XLR -3 type
SUB–20 / – 60 dBm switchable  (600Ω 
load) electronically balanced XLR -5 
type
UNBAL– 60 dBs (10 kΩ load) 3.5 mm 
unbalanced stereo  jack
MONI0 dBs /50Ω...

Page 18

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KS-342
Other parameters
Microphone powerP- 48V (maximum power 10 mA)
A - B 12V (maximum power 30 mA)
LCF (low - cut filter)20 Hz — 200 Hz, continuously variable, –12 dB /
octave
Oscillator1 kHz (±10%)
CompressorThreshold level+3/+6 /+9 /+12 dB
Attack time2 ms (approx)
Release time300 ms (approx)
Ratio2:1 (approx)
Audio performance
Frequency responseMAIN OUT &SUB OUT30 Hz — 40 kHz  (within 1 dB)
Noise levelMIC (–70)< –54 dB  (22 kHz LPF/ RMS)
LINE (+4)< –70 dB  (22 kHz LPF/ RMS)
MONI< – 65 dB  (22 kHz...

Page 19

19
KS-342
Power and general specifications
Internal power supply8 x type 3 (AA) dry - cell batteries, 
carried in standard battery holder
1 x NP-1 NiCd battery, carried in 
optional battery holder
External power supply+10 V to +15 V (maximum 
current 0.5 A)
CurrentNominal160 mA
Digital output on240 mA
Battery life (normal 
temperature, no 
additional modules, 
digital output off)
Manganese cells> 4 hours
Alkaline cells> 8 hours
NP-1 NiCd> 12 hours
Dimensions (excl. 
protrusions)
w x d x h215 x 170 x 60...

Page 20

20
KS-342
Block diagram
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