Chiayo NDR-2120 Manuel utilisateur

CHIAYO ELECTRONICS CO., LTD.

Operation manual

NDR-2120

VHF 1/2 19" Dual-Channel Auto Sync

Diversity Receiver

CH SYNC CH SYNCMIN MAX MIN PWR MAX

NDR-2120

WIRELESS RECEIVE R

RF AFIR SQ RF AFIR SQ

NDR-2120 VHF 1/2 19" Dual-Channel Auto Sync Diversity 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-2120 receiver

2 handheld / beltpack transmitters

(optional)

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.

CH SYN C CH SYN CMIN MA X MIN PW R MAX

NDR-2120

WIRE LESS RE CEIVE R

RF AFIR SQ RF AFIR SQ

590

F雙頻

道數位鎖

定

自動

對

頻自動

選

訊無線麥克風

系

統

Instructions

Parts and functions

CH-A

CH-B

Channel scan button

Channel sync button

IR sensor LED

RF signal indicator

Audio signal indicator

Squelch control

Audio signal indicator

RF signal indicator

IR sensor LED

Channel sync button

Channel scan button

CH SYNC CH SYNCMIN MAX MIN PWR MAX

NDR-2120

WIRELESS RECEIVER

RF AFIR SQ RF AFIR SQ

DC 12V

POWER ANT.B ANT.AMIC LINE

OUTPUT B OUTPUT A

MIXED SEPERATE

OUTPUT

MODELEVEL

Mixed audio output switch

CHA unbalanced audio output

CHB / A+B unbalanced audio output

MIC/LINE output impedance switch

DC input

CH-B

Channel

indicator

Antenna B

Power / CH-B

volume control

Antenna A

CH-A volume control

CH-A

Channel

indicator

NDR-2120 VHF 1/2 19" Dual-Channel Auto Sync Diversity Receiver

Adjusting volume level

Both channel’s volume level can be adjusted separately by rotating its designated

volume knob.

Scanning & changing channel

First turn on main power switch, the 7-segment channel indicator will display current channel

number.

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.

1.Hold ▲button until the channel indicator

flashes to denote readiness for setting.

2.Press ▲button and the receiver will scan

and stop at the next clean channel. The

setting will be saved automatically.



Channel synchronizing of the receiver and transmitter

Align infrared areas of the receiver and transmitter within 10~30cm.

CH SYNC MIN PWR MAX

RF AFIR SQ

NDR-2110 WIRELESS RECEIVER

CH SYNC MIN PWR MAXRF AFIR SQ

NDR-2110 WIRELESS RECEIVER

CH SYNC MIN PWR MAXRF AFIR SQ

NDR-2110 WIRELESS RECEIVER

CH SYNC MIN PWR MAXRF AFIR SQ

NDR-2110 WIRELESS RECEIVER

CH SYNC MIN PWR MAXRF AFIR SQ

NDR-2110 WIRELESS RECEIVER

Instructions

Changing the transmitter’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 10~30cm 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.

CH SYNC

MIN PWR MAX

NDR-2120

WIRELESS RECEIVER

RF AF SQ

NDR-2120 VHF 1/2 19" Dual-Channel Auto Sync Diversity Receiver

Audio output connection

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 / AUX IN” or “MIC IN” jack of the mixer/ amplifier.

STEP 1: MIC-LINE output level switch

STEP 2: MIXED-SEPARATE output mode switch



LINE/AUX IN

(fig.1)

LINE/AUX IN

(fig.2)

MIC IN (fig.3)

MIC IN (fig.4)

LEVEL



MODE



LEVEL



MODE



LEVEL



MODE



LEVEL



MODE



MIC LINE

LEVEL

MIXED SEPARATE

OUTPUT

MODE

DC12V

POWER ANT.B ANT.AMICLINE

OUTPUTB

MIXED

OUTPUTA

MIXEDSEPERATE

OUTPUT

MODELEVEL

DC12V

POWER ANT.B ANT.AMICLINE

OUTPUTB

MIXED

OUTPUTA

MIXEDSEPERATE

OUTPUT

MODELEVEL

DC12V

POWER ANT.B ANT.AMICLINE

OUTPUTB

MIXED

OUTPUTA

MIXEDSEPERATE

OUTPUT

MODELEVEL

DC12V

POWER ANT.B ANT.AMICLINE

OUTPUTB

MIXED

OUTPUTA

MIXEDSEPERATE

OUTPUT

MODELEVEL

MIC LINE

LEVEL

MIXED SEPARATE

OUTPUT

MODE

MIC LINE

LEVEL

MIXED SEPARATE

OUTPUT

MODE

MIC LINE

LEVEL

MIXED SEPARATE

OUTPUT

MODE

MIC LINE

LEVEL

MIXED SEPARATE

OUTPUT

MODE

1.When connecting to the LINE / AUX IN of a mixer/amplifier, switch to “LINE”

position (fig.1 & 2). DO NOT use the “MIC” position as they may not deliver a

sufficient high output level.

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

position (fig.3 & 4). Overload distortion may occur at the wrong level position.

1.When CHANNEL A's audio is delivered with CHANNEL B from OUTPUT B,

slide the OUTPUT MODE to MIXED. (fig.2 & 4)

2.When CHANNEL A & B's audio is delivered from OUTPUT A & B, slide to

SEPARATE. (fig.1 & 3)

※Under SEPARATE mode, OUTPUT B will only deliver CHANNEL B' audio

instead of both channels'.

CH-B only

Instructions

Receiver placement

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

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 12I1404

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