400 Series Professional UHF Wireless Systems ATW-1451 UniPak™ Transmitter System ATW-1452 Handheld Dynamic Microphone System Installation and Operation
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. Receiver Installation This device complies with INDUSTRY CANADA R.S.S. 210,en conformité avec IC: RSS-210/CNR210.
Receiver Controls and Functions Fig. B Receiver Front Panel 8 1 2 POWER 6 4 UHF DIVERSITY RECEIVER ANT. A 80 92 106 126 140 dB SPL 8 7 AF LEVEL AF LEVEL 1 2 3 4 RF LEVEL 3 5 A B MIN TUNER ANT. B MAX 5 Fig. C Receiver Rear Panel 11 9 12 GROUND LIFT DC 12V~18V 500 mA SQUELCH ADJ. AF OUT GROUND BALANCED 10 AF OUT UNBALANCED 13 Front Panel Controls and Functions (Fig. B) 1. TUNER “A” ANTENNA JACK: Antenna connector for tuner “A.
Transmitter Setup Battery Selection An alkaline 9-volt battery is recommended. UniPak™ Transmitter Battery Installation 1. Slide off the battery cover as shown in Figure D. 2. Carefully insert a fresh 9-volt alkaline battery, observing correct polarity as marked inside the battery compartment. The transmitter housing is designed to prevent incorrect installation of the battery. Do not force the battery in. 3. Replace the battery cover (Fig. E). Fig.
System Operation Check the frequency of the system against the chart on page 7 to ensure you have the proper frequency for your area. Operating frequency is shown on the back panel of the receiver and on the transmitter. Turn down the AF Level control of the receiver as well as the mixer. Switch on the receiver only. Do not switch on the transmitter yet. Receiver On . . . The power indicator will light up. Transmitter On . . . The transmitters have a 3-position power switch.
Specifications† OVERALL SYSTEM Operating Frequency Frequency Stability Modulation Mode Maximum Deviation Operating Range Operating Temperature Range Frequency Response RECEIVER Receiving System Image Rejection Signal-to-noise Ratio Total Harmonic Distortion Sensitivity Audio Output Unbalanced Balanced Output Connectors Unbalanced Balanced Power Supply Dimensions Weight Accessories Included UHF band, 732 MHz to 746 MHz ±0.
Wireless Operating Frequencies Frequency Selection Each transmitter/receiver system operates on a single factoryaligned, crystal-controlled frequency. Available frequencies are shown in the chart below. RF Interference If you encounter receiving interference (from other than an operating TV station), often it can be eliminated by adjusting the receiver’s squelch control, as described on page 5.
One-Year Limited Warranty Audio-Technica professional wireless systems purchased in the U.S.A. are warranted for one year from date of purchase by Audio-Technica U.S., Inc. ( A.T.U.S.) to be free of defects in materials and workmanship. In event of such defect, product will be repaired promptly without charge or, at our option, replaced with a new product of equal or superior value if delivered to A.T.U.S.
