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Instructions 

Parts and functions 

 

Power switch 

LCD 

 

 

 

 

 

Function settings on the receiver 

 

VOLUME adjusting 

Volume level can be adjusted by the UP(

) and DOWN(

) buttons, from VOL 00 to VOL 15. 

 

     

 

 
 

 

CH

FREQ

SQ

RF

AF

A B

0 0 1

630000

VOL

CH

FREQ

SQ

RF

AF

A B

0 0

1

630000

VOL

SDR-6120

Wireless Receiver

SET

SYNC

SET

SYNC

A N T. A

D C I N

1 2 V

1

.

G

2 .
3 .

1

.

G

2 .
3 .

B A L A N C E D O U T 2

A N T .B

B A LA N C E D O U T 1

O U TP U T 2

O U TP U T 1

LE V E L

MIC LINE

MIXED SEPARATE

O U TP U T M O D E

SET

SYNC

VOL

VOL 12

IrDA synchronization button 
SET button

 

IR sensor area

 

UP button 
DOWN button 

Antenna A (TNC) 

DC input 

CH-1

 unbalanced audio output 

CH-1

 balanced audio output 

Mixed audio output switch 

MIC/LINE

 output impedance switch, 

only for unbalanced audio output

CH-2

 unbalanced audio output 

CH-2

 balanced audio output 

Antenna B (TNC) 
 

CH 1 

CH 2

 

Summary of Contents for SDR-6220

Page 1: ...IAYO ELECTRONICS CO LTD SDR 6220 SDR 6120 UHF Dual Channel 2 Way Sync True Diversity Diversity Receiver CH FREQ SQ RF AF A B 00 1 630000VOL CH FREQ SQ RF AF A B 00 1 630000VOL SDR 6120 Wireless Receiver SET SYNC SET SYNC ...

Page 2: ...thout prior notice Important 1 Please make sure that the output DC voltage range of the switching power covers that specified by the receiver before turning it on 2 The RF meter bars and antenna diversity indicator will appear to denote RF signal received after turning on the transmitter 3 The receiver and transmitter must be the same frequency 4 While using the transmitter the audio meter bars wi...

Page 3: ...C SET SYNC A N T A D C IN 12V 1 G 2 3 1 G 2 3 BALANCED OUT 2 ANT B BALANCED OUT 1 OUTPUT 2 OUTPUT 1 LEVEL MIC LINE MIXED SEPARATE OUTPUT MODE SET SYNC VOL VOL 12 IrDA synchronization button SET button IR sensor area UP button DOWN button Antenna A TNC DC input CH 1 unbalanced audio output CH 1 balanced audio output Mixed audio output switch MIC LINE output impedance switch only for unbalanced audi...

Page 4: ...T button to make the frequency icon appear on the bottom 2 Press UP and DOWN button to find and locate a clear interference free channel 3 After a channel is chosen press SET button or wait 3 seconds to save the setting Channel synchronizing between receiver and transmitter Align infrared areas of the receiver and transmitter within 10 30cm FREQ SET SYNC CH FREQ RF 002 650 250 SET SYNC CH FREQ RF ...

Page 5: ...hin 10 30cm of each other and try again SQUELCH SQ adjusting When interference is encountered try reducing the sensitivity of the receiver thus less susceptible to interference To operate the squelch setting 1 Press SET button to turn to the squelch setting page and the LCD will display current squelch level LE 02 2 Press UP and DOWN button to select a new squelch sensitivity level between 1 and 1...

Page 6: ...OWN button to switch between L OFF unlocked and L ON locked The UP and DOWN buttons don t function under L ON status 3 After a locking status is chosen press SET button or wait 3 seconds to store the setting Rack mounting The receiver can be cabinet mounted by either one or two units If only one receiver is to be mounted an optional kit is available and it s installed as shown in Fig 1 If two rece...

Page 7: ...d MIC IN Separate MIC IN Mixed LINE AUX IN LINE AUX IN MIC IN MIC IN Level Mode Level Mode Level Mode Level Mode LINE SEPARATE LINE MIXED MIC SEPARATE MIC MIXED A N T A D C IN 1 2 V 1 G 2 3 1 G 2 3 BALANCED OUT 2 ANT B BALANCED OUT 1 OUTPUT 2 OUTPUT 1 LEVEL MIC LINE MIXED SEPARATE OUTPUT MODE A N T A D C IN 1 2 V 1 G 2 3 1 G 2 3 BALANCED OUT 2 ANT B BALANCED OUT 1 OUTPUT 2 OUTPUT 1 LEVEL MIC LINE ...

Page 8: ...The transmitter should also be at least 1m away from a wall or metal surface to minimize reflections The transmitter should also be at least 1m away from the receiver Keep antennas away from noise source such as motors automobiles neon light as well as large metal objects A N T A D C IN 12V 1 G 2 3 1 G 2 3 BALANCED OUT 2 ANT B BALANCED OUT 1 OUTPUT 2 OUTPUT 1 LEVEL MIC LINE MIXED SEPARATE OUTPUT M...

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