Telex ENG-1 Manual de usuario
Telex
Operating Instructions
ENG-1
Portable Receiver
R
Table of Contents Page
GENERAL INFORMATION ...................................................................... 1
FREQUENCY SELECTION....................................................................... 2
ENG-1 PORTABLE RECEIVER................................................................ 2
Receiver Specifications: ENG-1 ...............................................................3
Features......................................................................................................4
Power and Battery Requirments.............................................................4
DC Power “dc input” Jack..................................................................... 4
Line Output Jack.....................................................................................4
Power ON\OFF.......................................................................................5
Line Output Control .............................................................................. 5
Squelch Control......................................................................................6
Headphone “PHONES” Level Control ..................................................6
Headphone “PHONES” Jack................................................................. 6
Low Battery Indicator............................................................................ 6
TX ON Indicator.....................................................................................6
TX Overload Indicator........................................................................... 7
Antenna...................................................................................................7
Belt Clip..................................................................................................7
ENG-1 Set-up.............................................................................................7
Power\Low Battery Indication ...............................................................7
Antenna...................................................................................................8
Audio Output..........................................................................................9
Interference.............................................................................................9
FCC INFORMATION ................................................................................18
WARRANTY SERVICE INFORMATION................................................19
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GENERAL INFORMATION
Individual accessories are available to add to your wireless system.
3.5mm Mono Plug to 3.5mm Mono plug ...........71094-000
3.5mm Mono Plug to 1/4" mono phone plug .....71095-000
3.5mm Stereo Plug to XLR Male plug ...............71096-000
RC-10 Carrying Case..........................................71077-000
The ENG-1 receiver is designed to operate with all Telex brand VHF
transmitters, but only one transmitter at a time can be used.
The Telex ENG-1 receiver features a single channel crystalcontrolled
operation. The receiver utilizes a single intermediate frequency. This
combination produces highly stable operation with superior
interference rejection.
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FREQUENCY SELECTION
As with any radio device, interference can occur at any time. The
severity of interference varies with the distance to the interfering
station. In order to determine whether your selected frequency has
minimum interference, Telex recommends that you first temporarily
install the receiver only, in your proposed setting, and monitor the
channel for interference, as described in the ENG-1 PORTABLE
RECEIVER section of this manual.
ENG-1 PORTABLE RECEIVER
The ENG-1 receiver is an economical portable receiver intended for
wireless speech reception. The receiver features compact
construction and user friendly operation. The ENG-1 features both
balanced and unbalanced output for interface to any audio system.
Additional features include a headphone output, a squelch level
control, audio level control, headphone level control, and a flexible
molded VHF antenna.
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Receiver Specifications: ENG-1
RF Frequency Range ................................................165 to 216 MHz
RF Sensitivity ..............................0.65 µV Typical for 12 dB SINAD
Audio Output Level.............................0 dBm to -40 dBm, adjustable
Audio Frequency Response...............................50-15,000 Hz +/-3dB
Signal-to-Noise Ratio .................................................................90 dB
Distortion .......................................................................Less than 2%
Input Power.................9V Alkaline, Duracell MN1604 or equivalent
Battery Life (Alkaline) ........................................................6-8 Hours
External DC ...................8 to 24 VDC, No battery Charge Capability
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Features
Power and Battery Requirements: The receiver is normally
powered by a 9V alkaline battery (Mallory MN 1604 or equivalent)
or by a heavy duty nickel-cadmium, 8.4 volt rechargeable battery,
(Telex Part Number 63912-000). For maximum uniterrupted service,
Telex recommends that a fresh battery be installed prior to use.
Average life on an alkaline battery is 6-8 hours and 1 1/2-2 hours per
charge on a nickel-cadmium (nicad) battery.
The ENG-1 portable receiver may also be powered by any filtered 8
to 24 VDC source via the DC power jack located on the side of the
unit.
CAUTION
The DC input is not intended for recharging NiCad
batteries.
DC Power “dc input” Jack: 1.1mm I.D.,
3.5mm O.D., Shaft 9mm
Line Output Jack: 3.5mm O.D. male,
Stereo Jack
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Power ON\OFF: A slide switch allows the user to switch power On
or Off.
Line Output Control: This control allows the user to adjust the
volume or output level of the receiver audio to the line or auxilliary
device input.
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Squelch Control: This control allows the user to squelch (reject)
minor noise or interference that might exist on a channel in your area.
CAUTION
This control is factory set for average conditions. If the
control is fully advanced, short range or excessive
drop-outs can occur.
Headphone“PHONES”LevelControl:Thiscontrolallowsthe user
to adjust the volume or output level of the monitoring headset audio.
The control is factory set for typical headset output level.
CAUTION
If the ENG-1 Receiver is powered by external batteries
that are also common with other auxilliary equipment,
connecting the phones jack to the auxilliary jack can
cause damage to the ENG-1 Receiver.
Headphone “PHONES” Jack: 3.5mm O.D. Male, Mono Jack.
NOTE
Telex reccommends that a 32 to 600 ohm headset be
used.
LowBatteryIndicator:AyellowLEDflasheswhenpowerisapplied
to indicate a good battery. Lights when the battery is low.
TX ON Indicator: A green LED displays when the ENG-1 is
receiving a transmitted signal.
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TX Overload Indicator: A red LED displays when the modulation
(Audio Output) of the transmitter used is to high. Refer to the
“Audio/Gain Adjustment” of your transmitter for proper setting.
Antenna: A molded VHF antenna is supplied with the ENG-1. This
antenna is matched to the receiver frequency of your unit.
CAUTION:
DO NOT Grip the antenna while attached to the ENG-1
case. Using the Antenna as a “Handle” may cause
damage to the ENG-1 Receiver.
BeltClip:The belt clip canbe removed for applicationof the supplied
“adhesive backed Velcro: for application to a camera or other
equipment.
ENG-1 Set-up
Power\Low Battery Indication: Install a fresh alkaline battery in the
ENG-1receiverorconnecttheENG-1toanyfiltered8-24VDCsource
via the DC jack on the side of the unit. Turn the receiver power on.
Note that the low battery (yellow) LED should flash on. If the battery
LED stays illumunated, this indicates a weak battery. If the battery
LED does not come on at all, the battery is dead.
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Antenna: Screw the antenna (hand tighten) onto the receiver.
For best performance, place the unit in “Clear and Visible” sight of
the transmitter.
Audio Output: Insert a 3.5mm O.D. plug into the Line Output jack
on the side of the ENG-1. Adjust the Line Output control located in
the battery compartment, to the desired level output your system
requires.
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