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2.4GHZ WIRELESS SYSTEM FOR
POLICE VIDEO RECORDING
USER GUIDE
Revision
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1.
2.
3.
4.
5.
6.
7.
TABLE OF CONTENTS
Quick S
Installation
Guidelines For Best Performance
Troubleshooting Guide
Technical Specifications
Service and Warranty
Compon
et Up and Operation
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ents and Accessories
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4
6
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8
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QUICK SET UP AND OPERATION
Synching Up The
t
he first time a system is used, or a new bodypack is used with a base previously synched
another bodypack. Do not perform the synch operation multiple
be done one time when
Normal Operation
Transmitter
1) Turn the transmitter power switch to ON and place the transmitter in
recharge cradle of the base. The transmitter goes in the base with the
beltclip facing out.
2) The recharge LED will light (Green if
the transmitter in the cradle for 4 hours for a full charge.
3) Press the In-Use but
the transmitter and base start to flash, the
4) After a few seconds the light will stop flashing, and
beep is enabled).
5) The transmitter and base are now syn
another transmitter is linked to that base
1) With the transmitter synched up, remove it from the cradle, plug in the lapel
microphone (if used) and place the transmitter on you
2) To start the recording, press the In-Use button and the In-Use LED will light a
constant green and you will h
3) To end recording, press the In-Use button and the In-Use LED will turn off
and you will hear a short beep.
4) At the end of y
cradle
.
and Base
a new bodypack is used with a new base.
our shift turn the transmitter off and replace it in the charging
The synch operation only needs to be performed
times;
it
only needs to
fully charged, Red if charging). Leave
ton on the transmitter and hold until the In-Use LED on
ear
a short beep
n release the button.
a beep will sound (
ched and will continue to be until
.
r belt.
to
the
If the
Out of Range
1) If you use the Transmitter too far away from the Receiver during recording,
the transmitter will alert you with Audible warning beeps (two tone) and the
In-Use LED
2) Move closer to the receiver base and the link will be re-established once you
return to normal range. The In-Use LED will light constant green when link is
back to normal operation.
3) If the link is not re-established within 30 seconds, t
will return to standby mode.
4) If you went out of range in Standby mode, or the unit reverted to standby
mode, rereturn to normal.
5) If you will be out of range for a
Low Battery Warning
1) If the transmitter Low BATT indicator (red) starts flashing or you hear warning
beeps, return the transmitter to its cradle on the receiver to fully charge the
transmitter.
2) The Charge LED i
charged.
wi
ll blink in red.
enter normal range and press the In-Use button. Operation will
ndicator will light constant green when the unit is fully
he transmitter and receiver
long period of time, turn the bodypack off.
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Audio In
EMG Panic Button (if wired for use in your vehicle)
1) The EMG or Panic Button can be programmed to do many things but may
not be connected in your vehicle. Check with your technical
understand what this button will control before you use it.
2) In Record mode: Press th
and the relay will be triggered at the receiver
3) In Standby mode: Press the EMG button on the transmitter
sound, t
the receiver.
Disabling the Beep Sound On the Transmitter
1) All
the
Auto Talk (if video recording equipment supports)
1) The
recorder is turned on. Some video record units can be triggered by other
events (lights and siren being turned on etc.) and Aut
microphone starts recording at the same time.
turned on and in standby mode.
2) A +5V signal on the Auto Talk line means the microphone is off.
3) 0V or ground on the Auto Talk line turns on the microphone
he green In-
of the audible beep signals on the transmitter can be disabled by
BEEP switch to the off position
Auto Talk feature is used to turn on the microphone whenever the video
e EMG button on the transmitter, a beep will sound
Use
indicator will blink
department to
.
, a beep will
and the relay will be triggered at
setting
.
o Talk ensures the
The transmitter must be
INS
TALLATION
1. Wire the un-terminated signal wires to the control unit according to the signal chart. A 5
Amp fast blow fuse is recommend in the 12VDC power supply line to protect the
equipment.
Un-terminated wires
12 FT
Description
Power +12V DC
Video
(Gro
Left Channel (Ground to enable
Inside Microphone)
Power Ground
AUX (Panic) Trigger
12V+ DC Output when EMG
button is pushed
Auto Talk Trigger
5V+ DC to 0V to turn on
0V to 5V+DC to turn off
Trigger
und = Transmitter On)
mic
mic
Color
Red
Blue
Yellow
Orange
Black
Brow
n
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Sleeve
2. Plug the 3.5mm stereo plug into the audio
Description
Inside Car Mic Audio
Transmitter Audio
Audio Ground
3. If it is to be used, plug in the in-car microphone into the In-Car Mic jack in the side of the
receiver base.
4. Turn on the transmitter and place it in the charging cradle with the beltclip facing out.
The Charge LED will light
connec
Installation is complete. Refer to Operation Section for more information.
tions and repeat.
Position
Tip
Ring
Sleeve
if there is power. If the LED
input jack of the recording device.
Ring
Tip
s do not come on, check the
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4) Guidelines and recommendations for best performance.
Compatibility
The transmitter and receiver must
The synch operation only needs to be performed the first time a system is used,
bodypack is used with a base previously synched to another bodypack.
times, just once until
PB24N base.
Using Multiple Wireless Systems
The PW24N system has 95 possible channels that are really different frequency hopping
schemes. Each synchronized base and t
to 40 systems can work together in one location depending on other interference problems.
Potential Sources of Interference
There are many potential sources of interference for your wireless system
product that contains digital circuitry including digital signal processors (reverb/multi-effects units),
electronic keyboards, digital lighting controllers, CD and DVD players, and computers, all emit RF
energy that can adversely affect
place the receiver as far away as possible from these devices to minimize potential problems.
The PW24N operates in the 2.4MHz ISM band and other devices in that band may interfere. The
sprea
d spectrum technique used in the PW24N is very robust and should operate even in the
presence of other 2.4MHz devices such as walkie-talkies, LANs, cordless phones, etc. in the
area.
Battery Recommendations
The Lithium-Ion battery built into the PB24N t
charge cycles. If you notice lower than usual battery life over time, it may be time to replace the
cell.
synchronize
a new bodypack is used. Any PR24N can be synchronized with any
the performance of your wireless system. It is always best to
to work toget
ransmitter will automatically find a clear channel so up
ransmitter will work at full capacity for over 500
her (see Synch pro
Do not synch
. Any electronic
cess on page 3).
or
when
a new
multiple
Warnings
Do not use this product in or near water, i.e. near a bathtub, sink, or swimming pool.
Do not use this product in the vicinity of a gas leak or to report a gas leak.
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5
) Trouble Shooting Guide
Problem
No audio and no In-Use LED
light on the receiver when
transmitter is on and In-Use
No (or low) Audio with all In
Use LEDs solid green
Interference
Possible Causes
Receiver is not powered
Transmitter and receiver not
synchronized
-
Lapel
Microphone not connected
or positioned properly
Receiver audio output cable is
damaged or disconnected
Another
area causing interference.
2.4GHz
device in the
Solutions
Mak
e sure that the power
supply is properly connected
Turn on transmitter and place
in recharge cradle.
In-Use
LEDs flash 3
be synched
Check the
placement of the microphone
Connect, repair or replace
cable
Push the In-Use button
and the PW24N will
automatically select a clearer
channel. If the interference is
too strong, this may not
completely eliminate it.
button until the In-Use
mic connection and
Press the
and the pair will
twice
Short range or drop-outs
In-Use LED on beltpack flashes
red and two tone beep sounds
Variable synch times or failure
to sy
nch
RF reflective metal obstac
between the transmitter and
receiver
Transmitter is out of range
Synch process run more than
one time with same pair
les
Move the obstacles, or
reposition the receiver
possible
Move closer to the receiver.
Power cycle the b
and Synch one time.
if
ase station
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PR24N RECEIVER BASE STATION
Controls
Indicators
Connections
RF Specifications
Audio Specifications
General Specifications
Video Trigger Active +12/GND
IN-
USE
LED:
GREEN
CHARGE LED:
FULL CHARGED -> GREEN
In Car Mic
Un-terminated Cord
Audio Connector
Frequency Range:
Number of Channels: 95 possible
Diver
Receiver Type:
RF Sensitivity:
FCC type acceptance: Approved under Part 15
Frequency Response:
Audio Output Level:
Distortion:
Signal to Noise Ratio: >
Dynamic Range:
Range
Power Supply:
Current Draw:
Size:
Weight
2
RED
BLUE
BLACK
YELLOW
ORANGE
BROWN
Tip
Ring
Sleeve
sity:
-
>
CHARGING -> RED
.5mm
Mono
Plug
+12V DC Power
Microphone Trigger (Ground
AUX (Panic) Trigger (+12V when EMG is pushed)
Left Channel (Inside Mic)
Power Ground
Auto Talk (5V = mic off, 0V = mic on)
Inside Car Mic
Transmitter Audio
Audio Ground
2.4GHz
Internal antenna
Fast Frequency Hopping
102 +/-3 dBm(I,Q signal level at -3dB point))
200 ~ 4000
3.6Vp
-p
Less th
an 2%
40
dB
50
dB
1000 feet typical
External 12 VDC
190mA Typical
2.75
in x
2.99
70
mm x 76mm x 80mm
233 g
Hz +/
- 3
in line of sight
in x
3.15in
dB
or 12VDC
=
Transmitter
On)
PB24N Bodypack Transmitter
Controls
Indicators
Battery
Battery Life
Battery Recharge Time
Antenna
1.5mm Mic Connector
Secondary Microphone Internal
RF Output
Size
Weight
Revision
On/Off Switch
Beep On/Off Switch
In Use Button
Emergency Button
Red LED
Yellow LED
:
8
B
low battery indicator
In Use
Internal Li-
hours In Use with full charge
14days
3.5
Internal
Tip
30 ~ 40
2.5 in. x 1.8 in. x
64 mm x 46
74 g
ion 3.7V/1200mAh c
Standby
hours from full discharge
Signal,
mW (typical)
mm x 24 mm
/Emergency indicator
Sleeve Ground
0.94
in.
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Factory Service (North America)
If factory service is required, ship the unit prepaid in its original carton to:
Telex
Audio Service
c/o Telex Communications
8601 East Cornhusker Highway
L
incoln, NE 68507-9702 U.S.A.
Tel: 402/467-5321 or
Fax: 402/467-3279
Enclose a note describing the problem along with any other pertinent information
800-553-5992
and how to contact you.
Warranty (Limited)
Telex
products are guaranteed against malfunction
noted in the individual product-line statement(s) below, or in the individual product data sheet or owner's manual,
beginning with the date of original purchase. If such malfunction occu
repaired or replaced (at our option)
Exclusions and Limitations:
specific described in the individual product-line statement(s) below,
or in the individual product data sheet or owner's manual; (c) malfunction resulting from use or operation of the product
other than as specified in the
product; or (e) malfunction occurring at any time after repairs have been made to the product by anyone other than
Electro-Voice or any of its authorized service re
Obtaining Warranty Service:
together with proof of purchase of the product in the form of a bill of sale or receipted invoice.
Incidental and Consequential
only remedies provided to the customer.
without limitation, injury to persons or property o
Other Rights (United States Only):
which vary from state to state.
Telex 2.4GHz
period of
connectors. Additional details are included in the Uniform Limited Warranty Statement. Technical Assistance: 800-392
34
97(U.S. and Canada only)
ACCESSORIES AND PARTS
Wireless Systems
one (1) year
Model
from the date of original purchase. The Limited Warranty does not extend to cables or cable
due to defects in materials or workmanship for a specified period, as
without charge. The product will be returned to the customer prepaid via UPS Ground.
The Limited Warranty does not apply to: (a) exterior f
product data sheet or owner's manual; (d) malfunction resulting from misuse or abuse of the
To obtain warranty service, the customer must deliver the product, prepaid, to
Damages Excluded:
This warranty gives you specific legal rights and you may also have other rights,
are guaranteed against malfunction due to defects in materials
presentatives.
Telex
Product repair or replacement and return to the customer are the
shall not be liable for any incidental or consequential damages including,
r loss of use.
Police Wireless PW24
Part #
DESCRIPTION
rs during the specified period, the product will be
inish or appearance; (b) certain
or workmanship for a
N
Telex
-
Revision
PB24
N
PRD00018001
PR24
N
PRD00018000
TC-24
302039004
KT24-ML
302039007
PW24-MI 302039005
B
Bodypack transmitter with internal microphone,
internal Li-
Receiver and rechar
connection cable
Optional TX Charger Base for PB24
Lapel Microphone for PB24
In Car Microphone
ion battery cell, belt clip, no microphone
ge station, un-terminated
N
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