Lectrosonics IFBR1B-VHF Handleiding

Lectrosonics Niet gecategoriseerd IFBR1B-VHF

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IFBR1B
UHF Multi-Frequency Belt-Pack IFB Receiver
IFBR1B, IFBR1B-941, IFBR1B-VHF
INSTRUCTION MANUAL
Fill in for your records:
Serial Number:
Purchase Date:
IFBR1B
IFBR1B-941
IFBR1B-VHF
NOTE: The IFBR1B does not ship standard with
the single battery charger. To order this unit with
a charger, order as IFBR1B-WITH-CHARGER.
Rio Rancho, NM, USA
www.lectrosonics.com
WARNING: Moisture, including talent’s sweat,
will damage the receiver. Wrap the IFBR1B in
a plastic baggie, our silicone cover (order part
# IFBR1BCVR) or other protection to avoid
damage.
IFBR1B, IFBR1B-941, IFBR1B-VHF
LECTROSONICS, INC.
2
Table of Contents
Introduction 3 ............................................................................
General Technical Description 3 .............................................
Frequency Agility 3 ................................................................
Frequency Presets 3 ..............................................................
Simplicity 3 .............................................................................
IFBR1B Features 4 ....................................................................
On/Off and Volume Knob 4 ....................................................
Battery Status LED 4 .............................................................
RF Link LED 4 ........................................................................
USB Port 4 .............................................................................
Installing the Battery 4 .............................................................
Battery Charging 4 ...................................................................
IFBR1B Functions 5 ..............................................................
Frequency Selection 5 ...........................................................
Preset Selection 5 ..................................................................
Clear a Preset Selection 5 .....................................................
Firmware Update Instructions..............................................6
Backlight Settings 6 ...............................................................
LED On/Off 6 ..........................................................................
Locale Menu 6 ........................................................................
Pilot Tone Bypass and LINK LED Behavior 6 .......................
Locking the Settings 6 ...........................................................
Specications and Features 7 .................................................
Specifications 7 .....................................................................
Parts and Accessories 8 ..........................................................
Troubleshooting 10 .....................................................................
Service and Repair 11 ................................................................
Returning Units for Repair 11 ..................................................
IFB Receiver
Rio Rancho, NM
3
Introduction
Wireless IFB (interruptible fold back) systems are used
for talent cueing and crew communications in broadcast
and motion picture production. In other cases, the IFB
system is used by directors and other management to
monitor program audio during a production. The IFBR1B
receiver provides simplicity and exibility in a package
that is intuitive for untrained users to operate. In spite
of its tiny size, the new IFBR1B receiver oers excellent
performance on par with all of Lectrosonics’ IFB prod-
ucts.
The design uses +/-20 kHz FM deviation for ecient use
of the bandwidth, with compandor noise reduction cir-
cuitry for an excellent signal to noise ratio. A supersonic
Pilot Tone signal controls the audio output squelch to
keep the receiver silent when no transmitter signal is re-
ceived. The incoming RF signal is ltered and amplied,
then mixed down to the IF frequency with a microproces-
sor controlled synthesizer.
If a monaural earpiece is connected, this condition is
automatically accommodated, with no loss of audio out-
put power or battery life. Full output power is available
with either type of connector, without the power losses
that result from a resistive circuit design. The headphone
cable doubles as the receiving antenna.
The receiver will drive a wide variety of earbuds, head-
phones and induction neck loops at substantial levels,
with loads from 16 Ohms to 600 Ohms.
The IFBR1B operates on a single 3.6 V rechargeable
LB-50 Li-ion battery that will provide about eight hours
of operation per charge. The LED indicator changes
color from green to red as the battery voltage declines to
provide plenty of warning before operation ceases. Inside
the battery door is a USB port for rmware updates in
the eld.
The IFBR1B is housed in a rugged machined aluminum
package. A wire belt clip is included and provides a
secure mounting on a wide variety of belts, pockets and
fabrics.
General Technical
Description
Frequency Agility
The frequency agile IFBR1B Receiver is designed to op-
erate with the Lectrosonics IFB transmitters and compat-
ible Digital Hybrid transmitters. Microprocessor control
of frequencies within each frequency block provides the
ability to work around interference problems quickly and
simply.
Frequency Presets
There are 10 presets available for programming in the
IFBR1B. The stored frequencies remain in memory during
power OFF and even with the battery removed. Use the
UP DOWN and arrows to scroll through the previously
selected frequencies stored in the IFBR1B and quickly
change frequencies for quick communication.
Simplicity
The unique design in this receiver is not only tiny, but
provides simple one knob operation for on/o and audio
level and easy on-the-y programming with simple fre-
quency adjustments and 10 preset slots available. Basic
operation is simply a matter of rotating the knob to turn
power on and adjust the volume level.

Product specificaties

Merk: Lectrosonics
Categorie: Niet gecategoriseerd
Model: IFBR1B-VHF

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