Sony WRT-822A Operating Instructions Manual

Sony WRT-822A Operating Instructions Manual

Uhf synthesized transmitter


3-866-667-31 (1)
Synthesized Transmitter
Operating Instructions
© 1999 by Sony Corporation


Table of Contents

Summary of Contents for Sony WRT-822A

  • Page 1 3-866-667-31 (1) Synthesized Transmitter Operating Instructions WRT-822A © 1999 by Sony Corporation [AU66]...
  • Page 3: Table Of Contents

    Table of Contents Precautions • The unit is designed for use in ambient temperature range Precautions ................. 3 of 0°C to 50°C (32°F to 122°F). Overview ................4 • Do not place the unit on or near heat sources, such as Features ................
  • Page 4: Overview

    Electronic News Gathering (ENG), live and other Phase Locked Loop (PLL) synthesized system Electronic Field Production (EFP) applications. Combining The WRT-822A has a refined phase locked loop (PLL) with 800 MHz band Sony UHF wireless microphone synthesizer circuit. system, use this highly reliable transmitter for broadcast and movie production purpose.
  • Page 5: System Configuration

    System Configuration attenuation setting, AF input level and RF output. An accumulated operation time indication is also provided for The WRT-822A can be used with the tuners listed below. simple control of the time of battery use (in one-minute increments).
  • Page 6: Wireless Channels Selectable

    Wireless Channels Selectable...
  • Page 7: Parts Identification

    Parts Identification 1 Display section Wire antenna Audio input Display section connector A AF (audio input) indication Lights when an audio signal over the reference level is being +/– buttons supplied. – S E T O F F button B RF (antenna output) indication Lights when a signal is being transmitted from the antenna.
  • Page 8 Parts Identification 3 Audio input connector Connect the output connector of the following Sony lavalier Channel indication Frequency indication microphones: ECM-44BC, ECM-55BC, ECM-66BC, ECM-77BC, ECM-166BC, ECM-310BC, ECM-350BC. You can also use your wired microphone by connecting it to this connector with an optional EC-1.5CF microphone cable.
  • Page 9: Power Supply

    Match the polarities and insert the batteries. Leakage left in the holder case and the unit may cause poor battery contact. If there seems to be poor battery Set the battery holder in the original position. contact, consult your Sony dealer.
  • Page 10: Connections

    To connect a microphone with the WRT-822A. • Ensure that the tuners set to channels not being used are The WRT-822A accepts the following Sony lavalier either turned off or set to the minimum output level. microphones: • When powering the transmitter on or off, to keep the noise...
  • Page 11: Settings

    Settings Initiating Setting Mode Changing the Transmitting Channel In Setting mode, you can change the transmission channel/ Confirm that the channel number flashes on the display. frequency and the attenuation level, or reset the accumulated If not, set the unit in Setting mode, and press the SET time indication.
  • Page 12: Changing The Input Attenuation Setting

    Settings Once the desired channel number appears, set the systems using channels in different groups, ensure that the POWER switch to OFF to release Setting mode. systems are at least 100 m (330 feet) apart from each other. (The same applies also when using channels in a Or, press the SET button to continue operations in Setting group if the different UHF wireless microphone systems mode.
  • Page 13: Resetting The Accumulated Time Indication

    Or, press the SET button to continue operations in Setting The time indication accumulates time in hours and minutes mode. when the WRT-822A is on. Reset the indication to “00:00” whenever you replace the The next time you turn on the power only by setting the...
  • Page 14: Error Messages

    Error Messages When a problem occurs, one of the following error messages may appear on the display. z i l t t i o l l f i c...
  • Page 15: Specifications

    RF power output 10 mW Battery life Approx. 8 hours at 25°C (77°F) Frequency stability Within ±0.005% with Sony LR6 alkaline batteries Tone signal 32.768 kHz General Type of antenna -wavelength wire Operating temperature 0°C to +50°C (32°F to 122°F) Pre-emphasis 50 µs...
  • Page 16 Sony Corporation Printed in Japan...

Table of Contents