2Table of ConTenTsSystem Features ................................................................................................................................2Operation: 401X QUAD Receiver.......................................................................................................3WHT Handheld Microphone Transmitter .........................................................................5WLT Lavalier/Lapel or Headworn Microphone .............................................................. ..6WGT Instrument Bodypack Transmitter ...........................................................................8Specifications ................................................................................................................................... 10Service Information / Warranty ......................................................................................................... 11InTRoDUCTIonThank you for purchasing a Nady 401X QUAD VHF Wireless Microphone System. The 401X QUADVHF is by far the best price/performance value available in multiple channel wireless systems.Please read the instructions in this manual completely before operating your unit.UsInG THIs ManUalThis booklet provides instructions for the operation of the Nady 401X QUAD four-channel VHFwireless, including handheld, instrument, lavalier, headmic and plug-in transmitter systems.Features of the 401X QUAD are listed, followed by step-by-step instructions explaining how tooperate your new system. After reading the receiver instructions, turn to the section of the bookletthat covers the type of transmitter used with the system you have purchased. Each section willgive you detailed operating instructions. Also included in this manual are system specificationsand servicing information.sYsTeM feaTURes401X QUAD Receiver• Four independent VHF receivers in one convenient, rugged, all-metal single rack space housing—makes operating 4 wireless systems at the same time easier than ever• Front-mount dual antenna jacks for either onboard or remote antennas• Front panel Power ON/OFF switch, plus Power ON LED, TX ON and AF signal level LED displays• Rear panel individual XLR AF Output jacks, volume and RF mute controls for each of the4-channels, and 4-Channels-Mixed AF Out 1/4” phone jack• Noise-free transmitter ON/OFF operation• High performance – unmatched transparent audio with 120 dB dynamic range and up to 250+feet optimum line-of-sight operationWHT Handheld Microphone Transmitter• Features the Nady DM -10D unidirectional neodymium dynamic cartridge for optimum truesound, maximum feedback rejection and minimal handling noise• OFF/STANDBY/ON switch allows convenient audio muting with the transmitter “ON”• Low battery LED indicator flashes once for unit “ON”; lights steady for low battery alertWGT & WLT Bodypack Transmitters• Choice of instrument (WGT-15) or headworn/lavalier microphone (WLT-15) bodypack transmitter• OFF/STANDBY/ON switch allows convenient audio muting with the transmitter “ON”• Low battery LED indicator flashes once for unit “ON”; lights steady for low battery alert• Locking 3.5mm mini-jack provides secure connection for removable mic or instrument cable• Easily accessible input level adjust control for optimal sound