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Instructions 

 

Mixed

 audio output  

Either Balanced or unbalanced output socket of 

CHANNEL B 

generates mixed output of both 

channels. The balanced output socket (XLR) must connect to the balanced input socket of the 
mixer. The unbalanced output socket (¼

”) must connect to the unbalanced input socket.  

 

 
Receiver installation 

For best operation, the receiver should be at least 1m above the 
ground and 1m away from a wall or metal surface to minimize 
reflections. 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. 
 
 

 
 

Rack mounting 

The slide rail structure on both sides of the receiver is designed to facilitate the user to connect 
the two receivers in parallel and quickly install onto the cabinet. 

 

 

 

Rack mount of two receivers 

 

 

Rack mount of single receiver 

 

 

P O W E R

A N T.B

S Q B

M IC L IN E

A F O U T B

M IX E D

M IC O U T B

M IC O U T A

A F O U T A

M IX E D S E PA R ATE

S Q A

A N T.A

O U TP U T

M O D E

B A LA N C E D

A F O U T

L E V E L

D C 12V

OUTPUT

MODE

MIXED

SEPARATE

1m

1m

1m

Содержание NDR-3120

Страница 1: ...CHIAYO ELECTRONICS CO LTD Operation manual NDR 3120 UHF Dual Channel Auto Sync Receiver 0 6 9 9 IR RF AF SYNC CHANNEL MIN MAX MIN MAX IR RF AF SYNC CHANNEL NDR 3120 WIRELESS RECEIVER PWR ...

Страница 2: ...n manual Remark The above specifications are subject to change without 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 indicator will glow to denote RF signal received after turning on the transmitter 3 The receiver and transmitter must be the same frequency 4 While using the trans...

Страница 3: ...12V Channel synchronization button Audio signal indicator RF signal indicator IR sensor LED Channel scan buttons CH A Squelch control Mixed audio output switch CH A unbalanced audio output CH A balanced audio output CH B MIXED balanced audio output CH B MIXED unbalanced audio output MIC LINE output impedance switch only for unbalanced audio output CH B Squelch control DC input CH A CH B Antennas f...

Страница 4: ...is turned on either A or B diversity indicator will light up to indicate that it is connected For an interference free operation a cleaner channel might be necessary if the current one receives too much interference Before scanning the transmitter must be switched off Press or and the receiver will scan and stop at the next clean channel CHANNEL SYNCHRONIZING of the receiver and transmitter Align ...

Страница 5: ...interference is encountered try reducing the sensitivity of the receiver by turning the SQ control clockwise thus less susceptible to interference If this still does not solve the problem it means this frequency is not suitable Adjust the squelch back to where it was and use the scan function to locate a clear channel 0 1 9 9 IR RF AF SYNC CHANNEL 1 MIN MAX MIN MAX IR RF AF SYNC CHANNEL 2 NDR 3120...

Страница 6: ...IC 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 POWER ANT B SQ B MIC LINE AF OUT B MIXED MIC OUT B MIC OUT A AF OUT A MIXED SEPARATE SQ A ANT A OUTPUT MODE BALANCED AF OUT LEVEL DC 12V POWER ANT B SQ B MIC LINE AF OUT B MIXED MIC OUT B MIC OUT A AF OUT A MIXED SEPARATE SQ A ANT A OUTPUT MODE BALANCED AF O...

Страница 7: ...ould 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 Rack mounting The slide rail structure on both sides of the receiver is designed to facilitate the user to connect the two receivers in parallel ...

Страница 8: ...p www chiayo com tw Email sales chiayo com tw Office 30 Lane 27 Section 4 Jen Ai Road Taipei 10685 Taiwan Tel 886 2 27415741 Fax 886 2 27525242 Factory 88 Chung Hsiao Street 2 Chiayi 60080 Taiwan Tel 886 5 2711000 Fax 886 5 5767611 ...

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