Louroe Electronics ASK-4 300 User manual

ASK-4®# 300
AUDIO MONITORING SYSTEM
KIT CONTENT
PRD # Description
Verifact™ A Microphone
(LE-070)
Line Level, Electret condenser microphone with preamp. Picks up normal sounds within 30’ circle.
May be located Up to 1000’ from Base Station or IF-1 Interface.
Model IF-1 (LE-328) Audio Interface Adapter provides power and gain to microphone.
AD-1 (LE-242) listed AC ADAPTER. Supplies 12 Vdc to IF-1 and Verifact “A” Microphone.
Single RCA Cable For connection to DVR, VCR, etc...
3.5mm Stereo
Cable
For connection to a Sound Card, IP Network Camera, or Video Server with
stereo audio input
RCA to 3.5mm Mono
Adapter
For connection to an IP Camera with a Adaptor 3.5mm mono audio input
6955 VALJEAN AVE. VAN NUYS, CA 91406 PH: 818-994-6489 | FAX: [phone] | [email protected] | WWW.LOUROE.COM
INSTALLATION AND OPERATING INSTRUCTIONS
ASK-4®# 300 (LE-047)
ASK-4® 300 is a single zone audio monitoring system designed for direct connection to: DVR or VCR, IP Network Camera, PC Soundcard,
Video Server or other audio receiving devices that accept line level audio (0dB@600Ω).
VERIFACT™ “A” (LE-070)
Type Electrect Condenser
Output Line Level 0 dB @ 1KΩ,
unbalanced
Frequency Response 40 Hz to 15 kHz ± 1 dB
Current Drain 4 mA
Supply voltage 12Vdc
Dimensions 4”Dia x 1 ½”H
Weight (shipping) 0.25 Lbs (0.11kg)
IF-1 (LE-328)
Input Impedance 1KΩ
Output Signal 0 dB@600Ω
Power Supply 12Vdc, 500 mA
Dimensions 6 1/8”L x 4 5/8”W x 1 3/8”H
Weight 1.7lbs (0.8kg)
IF-1
Audio Out Control
Mic Input Terminal Block
12Vdc Power Jack
3.5mm Stereo
Audio Out Jack
RCA Audio
Out Jack
VERIFACT™“A” (LE-070)
IF-1 (LE-328)

OUT IN
A B C
Terminal block Identi-
er 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
3.5mm STEREO plug
AD-1 AC Adapter
12V/12Vdc, 500mA
REAR PANEL OF RECORDING DEVICE IP NETWORK CAMERA IP NETWORK, CAMERAS, VIDEO SERVERS, DVR, ETC
INTERCONNECTION DIAGRAM
VERIFACT™“A” (LE-070)
IF-1 (LE-328)
WIRING REQUIREMENTS
Both the Verifact™ “A” Microphone and IF-1 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
ASK-4®# 300
AUDIO MONITORING SYSTEM
INSTALLATION AND OPERATING INSTRUCTIONS
6955 VALJEAN AVE. VAN NUYS, CA 91406 PH: 818-994-6489 | FAX: [phone] | [email protected] | WWW.LOUROE.COM
Audio Output Control MIC Input +12 Vdc
RCA 3.5mm Stereo
Audio Outputs
VERIFACT A
OR OR
IF-1
A B C

ASK-4®# 300
AUDIO MONITORING SYSTEM
INSTALLATION AND OPERATING INSTRUCTIONS
6955 VALJEAN AVE. VAN NUYS, CA 91406 PH: 818-994-6489 | FAX: [phone] | [email protected] | WWW.LOUROE.COM 6955 VALJEAN AVE. VAN NUYS, CA 91406 PH: 818-994-6489 | FAX: [phone] | [email protected] | WWW.LOUROE.COM
INSTALLATION INSTRUCTIONS
VERIFACT “A” MIC INSTALLATIONS INSTRUCTIONS
Model A Microphone is designed for surface mounting to a ceiling
or wall. Microphone will pick up sounds 15’ away from all directions.
For best results, install microphone as close to desired area of
coverage as possible. Avoid mounting microphone to ceiling heights
in excess of 10’, or near air vents, refrigeration units, or other audio
interferences.
NOTE: Make wiring connection on back side of microphone
before installing microphone to ceiling or at surface.
Located on back side of microphone is a terminal block marked A,
B and C. A is 12 Vdc, B is Audio, C is Ground (common)
1. Using recommended wiring, connect as follows: RED wire to
terminal A (12Vdc), BLACK wire to terminal B (Audio), BARE
wire to terminal C (Ground)
NOTE: If using wiring from other manufacturers, color
code may vary.
IF-1 INTERFACE ADAPTER INSTALLATIONS INSTRUCTIONS
The IF-1 Interface Adapter serves as an interface device between
the microphone and the audio receiver (DVR/VCR, PC Sound Card,
etc..). The IF-1 can be installed several ways:
1.Wall mounted close to DVR/VCR or IP Network Camera, etc
2.Attached to side of the receiving device using two-way ¼”
adhesive tape (not provided)
MICROPHONE CONNECTION TO IF-1 INTERFACE ADAPTER
Bring in other end of wiring from microphone and connect to “MIC
INPUT” terminal block on IF-1 marked, A, B and C. Connect as
follows:
Terminal A of microphone to terminal A of IF-1 12Vdc
Terminal B of microphone to terminal B of IF-1 Audio Output
Terminal C of microphone to terminal C of IF-1 Ground (common)
To apply power to the system, Model AD-1 12Vdc power supply is
included. First connect small end (female plug) into 12Vdc jack on
IF-1, then connect 2-prong power block to a standard 110Vac outlet
or power strip.
NOTE: IF-1 contains two types of audio outputs. A connection
cable is provided for each type.
1. RCA
2. 3.5mm stereo
3. RCA to 3.5mm mono with adaptor
These two audio outputs are in parallel ... only one can be used.
CHOOSE YOUR SETTING
DVR/VCR - RECORDING INSTRUCTIONS
CONNECTION BETWEEN IF-1 INTERFACE ADAPTER AND DVR/
VCR WITH RCA TYPE AUDIO CONNECTIONS
To make connection to DVR/VCR, plug the RCA cable (supplied)
into the RCA type audio output jack located on the output side of
Model IF-1. Connect other end of RCA cable to the DVR/VCR’s “AU-
DIO IN” jack
IP NETWORK CAMERA INSTRUCTIONS
CONNECTION BETWEEN IF-1 AND AN IP NETWORK CAMERA,
DVR, VIDEO SERVER WITH 3.5mm MONO TYPE AUDIO CON-
NECTIONS
To make connection to IP Network Camera, plug the RCA to 3.5mm
mono cable with adaptor (supplied) into the RCA audio out jack lo-
cated on the output side of IF-1, connect other end of cable (3.5mm)
to the camera’s audio in jack.
IP NETWORK, VIDEO SERVER, DVR, ETC... INSTRUCTIONS
CONNECTION BETWEEN IF-1 AND A DVR, IP NETWORK CAM-
ERA OR PC SOUNDCARD WITH 3.5mm STEREO TYPE CON-
NECTION.
To make connection, plug the 3.5mm stereo cable (supplied) into the
“audio out” jack located on the output side of IF-1. Plug the other end
of the cable to “AUDIO IN” of DVR, IP Network Camera or “ LINE IN”
of PC soundcard.
NOTE
SENSITIVITY SWITCH OF MICROPHONE
For special installations that require less microphone sensitiv-
ity, a sensitivity switch has been added to the microphone pre-
amp (PC board) and has two positions - N and L:
N represents normal sensitivity (0dB output into 1KΩ) L repre-
sents low sensitivity (-6dB output into 1 KΩ).
NOTE: Louroe™ Verifact microphones are always shipped with
the sensitivity switch in normal (N) position. Do not change un-
less required. To make an adjustment, use a small screwdriver
and move slide switch from N to L. Sensitivity switch is located
on the backside of Verifact™ A Microphone.

IMPORTANT NOTICE
When this equipment is used as part of an audio moni-
toring system, the law requires that the public be given
notice of AUDIO MONITORING ON THE PREMISES. A
decal notice is included with each microphone shipped.
FEDERAL LAW REFERENCES:
Federal Regulations, US Code, Title 18. Crime and
Criminal Procedure, Sec 2510.
MADE IN U.S.A
6955 VALJEAN AVE. VAN NUYS, CA 91406 PH: 818-994-6489 | FAX: [phone]|
[email protected] | WWW.LOUROE.COM
WARRANTY
LOUROE ELECTRONICS® warrants that at the time of shipment products
manufactured by LOUROE ELECTRONICS® to be free of defects in material
and workmanship. Should a defect appear within one year (12 months) from
date of shipment, LOUROE ELECTRONICS will, at its sole discretion, repair
or replace the defective equipment. This equipment shall not be accepted for
repair or return without prior notication by LOUROE ELECTRONICS®.
This warranty does not extend to any Louroe product that has been subjected
to improper or incorrect installation, misuse, accident, or in violation of instal-
lation instructions provided by LOUROE ELECTRONICS®.
Returned shipments to LOUROE ELECTRONICS® shall be at customer’s
expense. LOUROE ELECTRONICS® will return the equipment prepaid via
best way.
ABOUT LOUROE ELECTRONICS
Located in Van Nuys, California and 32 years young, Louroe Electronics™
has been the world leading Audio Manufacturer. Our continued growth has
resulted from providing innovative products, receiving high customer satisfac-
tion, maintaining strict devotion to quality standards and following the law in
Federal, State and Municipal Jurisdiction.
Our “Verifact” line of amplied microphones, complementing base stations,
and communication accessories, provide line level output to interface with
various digital electronics. Our products are compatible with a wide range of
digital video recorders, video cassette recorder, Internet Protocol Network
video systems, video servers and computer based recorders.
We are recognized worldwide for our variety of audio monitoring technology.
Our products are used in over twenty countries and are utilized in both the
private sector and government applications. We currently serve the needs of
law enforcement, security, health care, entertainment, hospitality and retail
industries and many more.
At Louroe Electronics we maintain rigorous standards to ensure our products
provide reliability, durability and excellent performance for our customers’
needs. We are proud to continue designing, engineering and manufacturing
at our headquarters base in Van Nuys, California.
WORLD LEADER IN AUDIO MONITORING TECHNOLOGY
ASK-4®# 300
AUDIO MONITORING SYSTEM
INSTALLATION AND OPERATING INSTRUCTIONS