background image

- -

4

The System

ncludes a Receiver Part

:

I

1

Plug the connector of the power adaptor into the socket of power

.

Source, please make sure the power voltage is AC 120V/50~60Hz.

2

.

Turn on the power switch

the power indicator lights

,

.

3

.

Pull out the antenna A&B and make them perpendicular to the unit

.

4

.

2-Audio Output Connection auto selecting):If the mix output is needed

(

-

,

only use 1 audio output cable and connect it with any output socket.If

independent output is required

please connect another cable

,

.

5

.

The

RF

indicator of receiver will light when turning on the transmitter.

Please swivel the volume knob to adjust the sound

.

6

.

When not using the receiver for a long time please disconnect it from the

,

power adaptor

.

POWER

VOL STABLEZING

CIRC

QUARTZ CRYSTAL

OSC

SAME CIRC

ANT

HF FIL

HF AMP

ULTRA HETERODYNE

RECEPTION

AUDIO AMP

DE EMPHASIS

-

MUTE

DYNAMIC EXP

CIRC

AUTO SELECTING

-

OUTPUT

AUX OUT

HIGH PIL

DETECT CIRC

FOR MUTE

INDICATOR

Working Principle of Receiver

:

Содержание VF-289

Страница 1: ...VHF Wireless Microphone System User s Manual VF 289 Guangzhou Aoyuan Electronics Factory...

Страница 2: ...ove its functions advance frequency using multilevel high frequency and mid frequency narrowband filter mulriple noise detect and control They feature also the special functions of avoiding interferen...

Страница 3: ...rom high volume Low voltage indication available for handheld microphone Special circuitry for eliminating noise shock wave from switch Quartz crystal oscillator circuitry for extremely stable frequen...

Страница 4: ...ator doesn t light please check if the battery is full enough or the battery polarities are correct 3 If the mute function is needed please push the switch to the middle position then the microphone w...

Страница 5: ...io output cable and connect it with any output socket If independent output is required please connect another cable 5 The RF indicator of receiver will light when turning on the transmitter Please sw...

Страница 6: ...misuse can cause malfunction 4 Do not expose the system directly to sun and rain and keep it away from magnetic filed 5 Any change or modification on the construction of this device which are not exp...

Страница 7: ...3 Check if the receiver is put in inappropriate position i e on the ground or at the corner of the wall or in a strong electromagnetic filed please change its position Remarks If there are any other t...

Страница 8: ...te 50dB False Image Interference Rate 80dB Receiver Power Supply DC 12V 300mA Transmitter Power Supply 9V Battery Transmit Power 1 0dBm Carrier Frequency Band VHF H 174 2MHz 215 8MHz Output Type Separ...

Страница 9: ...ory Business Centre of Domestic Sales 020 86381808 86381888 Fax 020 86599478 Production Base 3 Floor 5 Building in the Quondam Food Industry Park 8 No 135 CommercialAvenue XinhuaTown Huadu District Gu...

Отзывы: