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Studiomaster Auto 4, Owner'S Manual, Page: 1 / 16

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POWER

ON

O

I

LEVEL

OUTPUT

LEVEL

+6

+3

0

-3

-6

-10

-20

SIGNAL

CLIP

SIGNAL

CLIP

SIGNAL

CLIP

SIGNAL

CLIP

LEVEL

LEVEL

LEVEL

LEVEL

ACTIVE

ACTIVE

ACTIVE

ACTIVE

LOCKOUT

FIXED

PRIORITY

MASTER

ON

OFF

LOUD

LOUD

LOUD

LOUD

NORM.

NORM.

NORM.

NORM.

SOFT

SOFT

SOFT

SOFT

VOX

BYPASS

VOX

BYPASS

VOX

BYPASS

VOX

BYPASS

1

2

3

4

THRESHOLD

SELECTED CHANNEL

Auto 4

Auto 4

Owner’s Manual

MIXER

AUTOMATIC MICROPHONE

Summary of Contents for Auto 4

Page 1: ...CLIP LEVEL LEVEL LEVEL LEVEL ACTIVE ACTIVE ACTIVE ACTIVE LOCKOUT FIXED PRIORITY MASTER ON OFF LOUD LOUD LOUD LOUD NORM NORM NORM NORM SOFT SOFT SOFT SOFT VOX BYPASS VOX BYPASS VOX BYPASS VOX BYPASS 1...

Page 2: ...ls Set Up Procedure Application Note Operation of Single Auto 4 Mixer Fixed Priority Mode Auto Mode All Low Priority Channels Auto Mode Only one High Priority Channel Auto Mode All High Priority Chann...

Page 3: ...m This is done using the Link In Link Out connectors on the rear panel Interconnection is by CAT5 cable and RJ45 connectors FORMAT The Auto 4 Mixer operates with an external SMPS Both the Auto 4 and t...

Page 4: ...ed to the microphone by selecting the appropriate switch on the rear panel Do not connect 48V phantom power to unbalanced microphones LINE TRS Jack for use with balanced line level input signals Wire...

Page 5: ...Bu and red for clip at 0dBu 5 ACTIVE Green LED indicates that the channel is active 6 FIXED PRIORITY When selected channel priority is in the following fixed order Channel 1 has priority over channels...

Page 6: ...t to about 0dBu This is designed to minimize signal clipping if the output signal is too large Normally when a microphone is inactive it is muted During a live discussion every inactive microphone is...

Page 7: ...onnect Link Out of one Auto 4 mixer to Link In of the next mixer When several Auto 4 mixers are linked in this way output of the last mixer should be connected to the amplifier 22 DC Input Connector C...

Page 8: ...Level until the Signal Clip Led lights occasionally Set Master level screw driver adjustment as required Set VOX Bypass switch to VOX Set channel threshold to normal If required set to Loud or Soft d...

Page 9: ...Output On On or Off On or Off On or Off Output from Ch 1 other channels attenuated by 20dB and mixed with Ch 1 Off On On or Off On or Off other channels attenuated by 20dB and mixed with Ch 2 Off Off...

Page 10: ...tch 20dB On Off Off Off On Becomes On but inactive while Channel 1 is active Off Off Channel 1 added with 20dB attenuated Channel 2 while Channel 1 is active Off On inactive while Channel 2 is active...

Page 11: ...Off On Off Off Becomes On while Channel 2 is active On Off Off becomes active immediately and mutes channel 2 20dB attenuation On while Channel 1 is active active and remains active channel 2 is atte...

Page 12: ...On On mixed gain reduced by 6dB In this mode All high priority channels can be active at the same time If two or three channels are active the output is reduced by 3dB If all four channels are active...

Page 13: ...priority channel 5 Low priority channels 6 7 8 Auto mode High priority channel 10 Low priority channels 9 11 12 12 channel Auto 4 Mixer Channels 5 10 can interrupt any other channels If channels 5 10...

Page 14: ...t Delay circuit Delay circuit Switch lamp camera 1 Switch lamp camera 2 Switch lamp camera 3 Switch lamp camera 4 Auto 4 Mixer Amplifier Control of Overhead Speakers Whenever a microphone is active a...

Page 15: ...in control settings Equivalent Input Noise 120 dBu 150 ohms at maximum gain Switch selectable Options Limiter above 0dBu Last Mic On Microphone Phantom 48V DC Control Voltage Out 5V DC Power Requireme...

Page 16: ...trial Estate Mahakali Caves Road Andheri East Mumbai 400 093 India Tel 91 22 66916232 33 30880743 30880776 26870268 Fax 26871453 Email ap audioplus india com Studiomaster professional reserves the rig...

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