OTARI MX-5050MKIII-2, Operation Manual

Page: 15 / 48

For more detail information of e x ­
ternal sync, operation. Please
contact to OTARI dealer.
13 Microphone
ATTENUATOR Switch Used to adjust the sensitivity of
the microphone amplifier in ac­
cordance with the microphone's
input level.
ATT
Minimum Input
(Sensitivity)
0 dB
-70 dBm
-20dB
-50 dBm
OFF
Shorted to the
ground
14 REF FLUX
Selector Switch
This switch is used for setting
the recording level:
"High",
"Medium", and "Low".
Located on the Amplifier front
panel are 3 LED Ref Flux Selector
Indicator displays which indicate
the position of the switch.
(185/250/320)
Position Flux
Relative
Level
Test Tape
Recording Tape
to be used
Low 185 nWb/m* 0 dB
Ampex Operat­
ing Level Scotch 177
Ampex 641
Me d i urn 250 nWb/m* + 2.6 dB
MRL NAB
Re ference
Flux
Scotch 206, 207,
226, 250
Ampex 406, 407,
456
High
320 nWb/m** +3.8 dB
BASF or MRL
IEC Standard
IEC Equaliza­
tion
* Short circuit flux
** Open circuit flux
15 EQUALIZER Selector
Switch
The two-position EQUALIZER selec­
tor switch is used to select
either LEC or NAB equalization.
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