User manual NADY WA-1620U

[. . . ] This unit incorporates the latest in UHF PLL wireless technology to provide years of high performance, and offers the following additional advanced features: · Operates on 32 switchable channels within select 9. 3Mhz wide bands in the UHF (745-754. 3Mhz) range for maximum freedom from potential interference and optimum choice of clear channels. · Phase locked loop PLL circuitry for easy, precise channel selection and top performance · Auto-SearchTM feature for easiest automatic clear channel selection and setup in any location · Full LCD display shows channel selected, RF signal strength, audio level and battery status, as well as useful icons for easy channel selection · State-of-art infrared transfer of channel-selected data between the receiver and transmitters automatically locks in transmitters to proper channel · ToneSquelchTM eliminates interference from other RF sources · Compact, aesthetic receiver with hidden internal antenna can be shoulder hung, hand held or placed on a desk · Receiver's large capacity built-in battery offers maintenance-free operation in all types of applications and is easily charged from external AC through its internal AC adapter supply · Convenient auxiliary audio input and output for maximum versatility for many applications, including use simultaneously with the built-in wireless mic and external source wired mic or Walkman or CD players. Can be hooked up to more powerful external audio amps for applications requiring more audio levels than produced by the built-in 20W audio amp. [. . . ] NOTE: If the Power Indicator (28) doesn't light momentarily when first turning on the unit or flashes during use, please change the batteries. If it lights all the time, please re-adjust the channel again. To avoid feedback whistling or howling, keep the mic behind the receiver's speaker and at least 510 feet away. Adjust positions and volume as needed to eliminate feedback interference. (5) (6) (7) (8) (9) (15) RX (13) (15) TX (10) Fasteners of Power Cord Compartment (11) Power Cord Compartment (12) Channel Display (13) Audio Level (AF) Display (14) Signal Strength (RF) Display (15) Battery Status Display (RX-TX) (16) Auto-Search Open Channel Indicator (17) RX-TX Infrared Link Indicator (18) Manual Channel Select Indicator LCD INTERFACE 6 3 OPERATING THE WA-1620U RECEIVER/AMPLIFIER · Press the Power Switch (1) to turn on the receiver. · The LCD display will display the channel and battery status. · Adjust the Volume Switch (2) for the level desired. NOTE: If the LCD display doesn't display the unit's battery is low. Please charge first before using, after turning the unit off with the power switch (1). The WA-1620U will automatically shut off when power is too low for operation and must be recharged before further usage. The unit can also be used with the AC power, and such operation will also charge the battery simultaneously while using. If the unit is amplifying continuous high audio levels then the internal AC adapter may not provide enough power for full operation and you'll need to let battery charge for a while to build up a power reserve before using again with AC. CONTROLS FOR THE WL-16U BODYPACK TRANSMITTER (25) (19) Power Switch (20) Power Indicator (21) Infrared Wire Interface of the Transmitter (22) Volume Control (23) Volume Lock (24) Strap Clip (25) Lavaliere Microphone Jack (20) (19) (21) (22) (23) (24) Adjusting Frequency Channel Auto-Searching For Open Channels Continuously press the button labeled "OK" for 3 seconds. " " will appear and flash on the screen. The WA-1620U receiver will go into Auto-Searching Status. The buzzer will sound continuously when the receiver has found an open channel. BATTERY INSTALLATION · Press the Battery Cover (26) outward as indicated by the embossed arrow to pop open the battery compartment · Insert the batteries. (Pay attention to the correct polarity. ) Close and slide the battery cover back to the locked position Changing the Transmitter Channel Automatically After the receiver's channel has been selected above, and the receiver is still buzzing, hold the Infrared Wireless Interface (20 & 29) of the transmitter (body pack or handheld mic) several inches from the Infrared Wireless Interface (4) of the receiver. Turn on the switch (19 or 27) of the body pack or handheld transmitter and wait a few seconds for the receiver buzzing to stop, which signals the successful programming of the channel selected on the receiver into the transmitter. [. . . ] To avoid feedback whistling or howling, keep the mic behind the receiver's speaker and at least 5-10 feet away. Adjust positions and volume as needed to eliminate feedback interference. Selecting the Receiver's Operating Channel Manually · · · · Press " " for three seconds to enter into the function setup mode Select Manual Channel Select mode " " by using and " "" " Press "OK" to select the channel displayed. It will change every time "OK" is pressed Select the Infrared Link mode " " by using " "" " and press "OK, " the buzzer will sound continuously. [. . . ]