Audio Technica T701, T702 Users manual
700 Series Owners Manual
V. 1 5-25-06
Page 1 of 12
[Cover]
700 Series Professional
UHF Wireless Systems
ATW-701 UniPak™ Transmitter System
ATW-701G Guitar System
ATW-701H Headworn Microphone System
ATW-701L Lavalier Microphone System
ATW-702 Handheld Dynamic Microphone System
Installation and Operation
[inside]
Professional UHF Wireless Systems
Installation and Operation
This device complies with part 15 of the FCC Rules. Operation is subject to the
condition that this device does not cause harmful interference.
This device complies with INDUSTRY CANADA R.S.S. 210, en conformité avec
IC: RSS-210/CNR210. Operation is subject to the following conditions: 1) This
device may not cause harmful interference and 2) this device must accept any
interference received, including interference which may cause undesired
operation.
CAUTION! Electrical shock can result from removal of the receiver cover. Refer
servicing to qualified service personnel. No user-serviceable parts inside. Do not
expose to rain or moisture.
The circuits inside the receiver and transmitter have been precisely adjusted for
optimum performance and compliance with federal regulations. Do not attempt to
open the receiver or transmitter. To do so will void the warranty, and may cause
improper operation.
Notice to individuals with implanted cardiac pacemakers or AICD devices:
Any source of RF (radio frequency) energy may interfere with normal functioning
of the implanted device. All wireless microphones have low-power transmitters
(less than 0.05 watts output) which are unlikely to cause difficulty, especially if
they are at least a few inches away. However, since a “body-pack” mic
transmitter typically is placed against the body, we suggest attaching it at the
belt, rather than in a shirt pocket where it may be immediately adjacent to the
medical device. Note also that any medical-device disruption will cease when the
RF transmitting source is turned off. Please contact your physician or medicaldevice provider if you have any questions, or experience any problems with the
use of this or any other RF equipment.
700 Series Owners Manual
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Introduction
Thank you for choosing an Audio-Technica professional wireless system. You
have joined thousands of other satisfied customers who have chosen our
products because of their quality, performance and reliability. This AudioTechnica wireless microphone system is the successful result of years of design
and manufacturing experience.
Each 700 Series wireless system provides a choice of eight PLL synthesized
UHF frequencies in the 542-561 MHz band (TV channels 26-29). All 700 Series
wireless systems offer both manual and automatic frequency scanning. Each
wireless system includes a receiver and either a body-pack or handheld
transmitter. Individual components are also available separately.
The ATW-R700 receiver features Diversity Reception. Logic circuitry monitors
reception, selecting the superior signal from two antennas, providing better
sound quality and reducing the possibility of interference and dropouts. Softtouch controls provide convenient access to selection of operating frequency and
automatic scanning, while an LED display indicates selected channel and
scanning operation.
The versatile ATW-T701 UniPak™ body-pack transmitter has both low- and highimpedance inputs plus a bias connection, for use with dynamic and electret
condenser microphones, as well as Hi-Z instrument pickups. The UniPak
transmitter also offers separate trim controls for guitar and microphone, plus
switchable high/low RF power.
The ATW-T702 handheld dynamic microphone/transmitter features a rugged
dynamic cardioid element designed for professional live-sound venues.
Transmitters in the 700 Series use two 1.5V AA batteries for economical
operation and wide availability. Both transmitters also feature a multicolor
Battery/Power indicator with low-battery indication.
700 Series receivers features a sophisticated Tone Lock™ tone squelch system
that opens the receiver’s audio output only when a 700 Series transmitter is
detected, reducing the possibility of interference. As a result, 700 Series
transmitters and receivers must be used together and should not be used with
components from other Audio-Technica wireless systems, or with those of other
manufacturers.
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Please note that in multiple-system applications there must be a transmitterreceiver combination set to a separate channel (frequency) for each input desired
(only one transmitter for each receiver).
Because the wireless frequencies are within UHF TV frequency bands, only
certain channels (operating frequencies) may be useable in a particular
geographic area. The eight channels (operating frequencies) that are used in the
700 Series have been selected for multi-channel compatibility. Subject to
frequency availability in a particular geographic area, any of these eight channels
may be used together.
The operating frequencies that correspond to each of the eight channels are
listed on page __
Receiver Installation
Location
For best operation the receiver should be at least 3 ft. (1 m) above the ground
and at least 3 ft. away from a wall or metal surface to minimize reflections. The
transmitter should be at least 3 ft. from the receiver, as shown in Fig. A. Keep
antennas away from noise sources such as digital equipment, motors,
automobiles and neon lights, as well as away from large metal objects.
Output Connections
There are two audio outputs on the back panel: balanced (12.5 mV) and
unbalanced (25 mV). Use shielded audio cable for the connection between the
receiver and the mixer. If the input of the mixer is a 1/4" jack, connect a cable
from the 1/4" unbalanced audio output on the back of the receiver housing to the
mixer. If the input of the mixer is an XLR-type input, connect a cable from the
balanced XLR-type audio output on the back panel to the mixer. The two isolated
audio outputs permit simultaneous feeds to both unbalanced and balanced
inputs. For example, both a guitar amp and a mixer can be driven by the
receiver.
Antennas
Extend the permanently attached UHF antennas. The antennas are normally
positioned in the shape of a “V” (both 45° from vertical) for best reception.
Diversity Indicators on the receiver front panel will indicate which antenna is
active.
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Power Connections
Connect the DC plug on the included AC power adapter to the DC power input
on the back of the receiver. Secure the cord over the cord hook on the back of
the receiver, to keep the plug from being detached by an accidental tug on the
cord. Then plug the adapter into a standard 120 Volt 60 Hz AC power outlet.
Receiver Controls and Functions
Front Panel Controls and Functions (Fig. B)
1. ANTENNAS: Position the antennas as shown in Figure B. Fully extend
both antennas by pulling on the endcaps.
2. AF PEAK INDICATOR: Indicates when maximum transmitter modulation
without distortion has been reached. Not affected by position of Volume
control.
3. LED WINDOW: LED Display indicates channel setting and scanning
operation.
4. DIVERSITY INDICATORS: Indicates which antenna (A or B) has better
reception and is in operation.
5. SELECT BUTTON: Touch Set/Scan button once to enable operation
(Channel number will flash). Touch the Select button to manually select
desired channel. The selected number will flash on and off. Press and
hold Set/Scan button to set the channel (operating frequency). If the
set/scan button is not pressed within 10 seconds to confirm the selection,
then the system will revert back to its original channel.
6. SET/SCAN BUTTON:
Two distinct operations are associated with this button:
Touch: A momentary press of the Set/Scan button.
Hold: A press and hold (about two seconds) of the Set/Scan button.
The Set/Scan button can be used in two ways: Manual Set Mode, to
permit selection of an operating channel; and Automatic Scan/Set Mode,
to initiate the automatic channel scan and selection, as follows:
Manual Set Mode: After using the Select button to arrive at desired
channel, hold the Set/Scan button to set the channel. NOTE: Before the
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