Chiayo NDR-3120 Installationshandbuch

CHIAYO ELECTRONICS CO.,LTD.

Operation manual

NDR-3120

UHF Dual-Channel Auto Sync Receiver

069 9

IR RF AF SYNCCHANNEL

MIN MAX MIN MAXIR RF AF SYNCCHANNEL

NDR-3120

WIRELESS RECEIVER

PWR

NDR-3120 UHF Dual-Channel Auto Sync Receiver

Thank you for choosing this wireless microphone system! For more details, please take a few

moments to read this operating manual to have a thorough understanding of the function and

operation of both transmitter and receiver.

In the box

NDR-3120 receiver

two transmitters

(handheld/beltpack)

audio cable

switching adaptor

operation 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 transmitter, the audio signal indicator will glow to denote audio signal

received.

069 9

IR R F AF SYNCCHAN NEL 1

MIN MA X MIN MAXIR RF AF SY NCCHANNE L 2

NDR-3120

DIVER SITY REC EIVER

Instructions

Parts and functions

069 9

IR RF AF SYNCCHANNEL

MIN MAX MIN MAXIR RF AF SYNCCHANNEL

NDR-3120

WIRELESS RECEIVER

PWR

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

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 (fixed)

CH-A

volume control

Power/

CH-B

volume control

Channel indicator

NDR-3120 UHF Dual-Channel Auto Sync Receiver

Function settings on NDR-3120

Adjusting VOLUME level

Volume level can be adjusted by rotating the Power/volume knob.

Scanning & Changing CHANNEL

First turn on main power switch, the two 7-segment display LED will show last stored frequency.

For example, if channel 88 is 630.325MHz, the LED will first display 63, 03and 25 in sequence

and return to 88. Select a channel that corresponds to the transmitter. When transmitter 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 infrared areas of the receiver and transmitter within 10~30cm.

069 9

IR RF AF SYNCCHANNEL 1

MIN MAX MIN MAXIR RF AF SYNCCHANNEL 2

NDR-3120

DIVE RSITY RECE IVER

IR RF AF SYNCCHANNEL

MIN MAX

IR RF AF SYNCCHANNEL

MIN MAX

IR RF AF SYNCCHANNEL

MIN MAX

Instructions

Changing the receiver’s channel

Press the sync button on the receiver. The receiver will transmit the frequency to the transmitter

and synchronize the channel.

If it doesn’t work check that you have the IR sensor panels aligned, that they are facing each

other, devices are within 30cm of each other, and try again.

Adjusting SQUELCH level

When 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.

019 9

IR RF AF SYNCCHANNEL 1

MIN MAX MIN MAXIR RF AF SYNCCHANNEL 2

NDR-3120

DIVERSITY RECEIVER

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

NDR-3120 UHF Dual-Channel Auto Sync Receiver

Audio output connection

Balanced output: XLR connector provides balanced audio output signal from this jack to the

mixer/amplifier. Use an audio output cable with “XLR” or “Cannon” connector, connect one

end to the balanced output jack of the receiver, and the other end to the “MIC IN” jack of the

mixer/ amplifier.

①MIC IN + Separate

②MIC IN + Mixed

Level ▼

Mode ▼

Level ▼

Mode ▼

MIC

SEPARATE

MIC

MIXED

Unbalanced output: ¼” PHONE PLUG connector provides unbalanced audio output signal

from this jack to the mixer/amplifier. Use an audio output cable with ¼” PHONE PLUG

connectors. Connect one end from the unbalanced output jack of the receiver, and the other

end to the “LINE IN” or “MIC IN”jack of the mixer/ amplifier.

Level switch setting: When connecting to the LINE /AUX IN of a mixer/amplifier, switch to

“LINE” position. DO NOT use the “MIC” position as they may not deliver a sufficient high

output level. When connecting to the “MIC IN” jack of a mixer/amplifier, switch to “MIC”

position. Overload distortion may occur at the wrong level position.

①LINE IN + Separate

②LINE IN + Mixed

③MIC IN + Separate

④MIC IN + Mixed

LINE/AUX IN

MIC IN

Level ▼

Mode ▼

Level ▼

Mode ▼

Level ▼

Mode ▼

Level ▼

Mode ▼

LINE

SEPARATE

LINE

MIXED

MIC

SEPARATE

MIC

MIXED

POW ER A NT.B S Q B M IC LIN E AF OUT B

MIX ED

MIC O UT B MIC O UT A AF OU T A

MIX ED SEPA RATE

SQ A AN T.A

OUT PUT

MOD E

BAL AN CED

AF OU T

LEV EL

DC 12 V

POW ER A NT.B S Q B M IC LIN E AF OUT B

MIX ED

MIC O UT B M IC OU T A AF OU T A

MIX ED SEPA RATE

SQ A AN T.A

OUT PUT

MOD E

BAL AN CED

AF OU T

LEV EL

DC 12 V

AF OUT

LEVEL

MIC LINE

OUTPUT

MODE

MIXED SEPARATE

AF OUT

LEVEL

MIC LINE

OUTPUT

MODE

MIXED SEPARATE

POW ER A NT.B SQ B MIC LINE AF O UT B

MIX ED

MIC O UT B MIC OU T A AF OU T A

MIX ED SEPA RATE

SQ A AN T.A

OUT PUT

MOD E

BAL ANC ED

AF OU T

LEV EL

DC 12 V

POW ER A NT.B SQ B MIC LINE AF O UT B

MIX ED

MIC O UT B MIC OU T A AF OUT A

MIX ED SEPA RATE

SQ A AN T.A

OUT PUT

MOD E

BAL ANC ED

AF OU T

LEV EL

DC 12 V

POW ER A NT.B SQ B MIC LINE AF O UT B

MIX ED

MIC O UT B MIC OU T A AF OU T A

MIX ED SEPA RATE

SQ A AN T.A

OUT PUT

MOD E

BAL ANC ED

AF OU T

LEV EL

DC 12 V

POW ER A NT.B SQ B MIC LINE AF O UT B

MIX ED

MIC O UT B MIC OU T A AF OUT A

MIX ED SEPA RATE

SQ A AN T.A

OUT PUT

MOD E

BAL ANC ED

AF OU T

LEV EL

DC 12 V

MIC LINE

AF OUT

LEVEL

OUTPUT

MODE

MIXED SEPARATE

MIC LINE

AF OUT

LEVEL

OUTPUT

MODE

MIXED SEPARATE

AF OUT

LEVEL

MIC LINE

OUTPUT

MODE

MIXED SEPARATE

AF OUT

LEVEL

MIC LINE

OUTPUT

MODE

MIXED SEPARATE

CHANNEL B only

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 installationFor 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

PO W ER ANT.B SQ B MIC LINE AF OUT B

MIXED

MIC OUT B MIC O U T A AF OUT A

MIXED SEPARATE

SQ A AN T.A

OUTPUT

MODE

BALANCED

AF OUT

LEVEL

DC 12V

OUTPUT

MODE

MIXED SEPARATE

1m 1m

CHIAYO ELECTRONICS CO.,LTD.

Http://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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