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ASK-4

®

 # 304

AUDIO MONITORING SYSTEM

INSTALLATION AND OPERATING INSTRUCTIONS

AUDIO IN

Terminal block Identi-

fier for Microphone

(A) Red - 12Vdc power

(B) Black - Audio Output

(C) Bare - Ground

RCA Connection Cable

RCA Audio Input

RCA to 3.5mm MONO 

Adaptor plug

AD-1 AC Adapter 

12V/12Vdc, 500mA

DVR WITH RCA TYPE AUDIO INPUTS

VIDEO SERVER

IP NETWORK CAMERA

INTERCONNECTION DIAGRAM

IF-4 (LE-288)

WIRING REQUIREMENTS

Both the Verifact™ “A” Microphone and IF-4 Interface.

2 Conductor shielded cable, 22 gauge with a 24 gauge drain 

wire.

NOTE: Unshielded cable is not satisfactory for audio systems

PLUG IDENTIFICATION

 RCA PLUG       

3.5 MONO  

One Band MONO

3.5MM STEREO

Two Band STEREO

IF-4

Audio Output Control

MIC Input

+12 Vdc

AUDIO OUTPUTS  

MIC INPUTS

VERIFACT

 “A”  

(LE-070)

VERIF

ACT  A

VERIF

ACT  A

VERIF

ACT  A

VERIF

ACT  A

A   B   C

OR

OR

Two bands stereo

One bands stereo

A    B    C

A    B    C

A    B    C

A    B    C

1     2     3    4

12

34

Содержание ASK-4 # 304

Страница 1: ... A Microphone and Model IF 4 Interface Adapter may be up to 1 000 ft 305m using recommended wiring Each output of the IF 4 has an audio level control to increase or decrease the level of audio output going to the receiving device KIT CONTENT PRD Description 4 Verifact A Microphone LE 070 Line Level Electret condenser microphone with preamp Picks up normal sounds within 30 circle May be located Up ...

Страница 2: ...VR WITH RCA TYPE AUDIO INPUTS VIDEO SERVER IP NETWORK CAMERA INTERCONNECTION DIAGRAM IF 4 LE 288 WIRING REQUIREMENTS Both the Verifact A Microphone and IF 4 Interface 2 Conductor shielded cable 22 gauge with a 24 gauge drain wire NOTE Unshielded cable is not satisfactory for audio systems PLUG IDENTIFICATION RCA PLUG 3 5 MONO One Band MONO 3 5MM STEREO Two Band STEREO IF 4 Audio Output Control MIC...

Страница 3: ... and clockwise to increase This will provide the desired level of audio signal into the Audio Receiving Device DVR Soundcard Module etc A full turn clockwise increases the gain to 10dB A full turn counterclockwise will decrease the gain 30dB AUDIO TEST SWITCH The purpose of this switch is to indicate the presence of audio and to assure the user that the IF 4 is driving the audio signals into the a...

Страница 4: ...leading Audio Manufacturer Our continued growth has resulted from providing innovative products receiving high customer satisfaction maintaining strict devotion to quality standards and following the law in Federal State and Municipal Jurisdiction Our Verifact line of amplified microphones complementing base sta tions and communication accessories provide line level output to inter face with vario...

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