MX422 Field Mixer PUSH PUSH PUSH PUSH 12 VDC + - MONITOR INPUT LEFT OUTPUT POWER MODEL MX422 RIGHT OUTPUT AUX INPUT - 30 dB LINE SERIAL NUMBER INPUT phan BATTERY SELECT low cut 4 trim INPUT phan low cut 3 trim INPUT phan low cut 2 trim INPUT phan trim low cut 1 NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF AUDIO ELECTRONICS, BALANCED AND UNBALANCED CONNECTIONS, AND PROPER SIGNAL LEVEL SETTINGS.
INTRODUCTION SCHEMATIC Thank your for your purchase of the Rolls MX422 Field Mixer; Professional ENG mixer. Please read and review this manual carefully as it contains important information regarding the proper use and care of the MX422. INSPECTION 1. Unpack and inspect the MX422 box and package. If obvious physical damage is noticed, contact the carrier immediately to make a damage claim. We suggest saving the shipping carton and packing materials for safely transporting the unit in the future. 2.
FEATURES HEADPHONE/EARPHONE MONITORING PLEASE NOTE: The MX422 has very loud headphone and earphone circuitry. Be sure to turn down the Phones level control before selecting the Source and putting your headphones or earphones on to prevent accidental hearing damage. HEADPHONE/EARPHONE SOURCE SELECT When monitoring for recording, you typically will listen to the signal from the Main Outputs. Leave the SOURCE button in the out position to monitor the Main Output signal.
QUICK START GUIDE For those familiar with ENG or field mixers, this guide highlights basic functionality to begin operating your MX422. POWERING To power the MX422 and get it ready for operation: 1. Insert four 9-Volt alkaline batteries into the battery compartments. Insert with the correct polarity. NOTE: Only one pair of batteries is being used at a time. The other pair is a backup. More on that later. 2. Or, connect external DC power (the Rolls PS27s) VDC to the MX422 DC Input connector. 3.
OPERATION DESCRIPTION INPUT CHANNELS The inputs to the MX422 consist of four, full-featured microphone preamplifiers. Each channel has a wide gain range to accommodate nearly all signal types. The unit accepts signals ranging from low-sensitivity ribbon and dynamic microphones to medium level wireless and condenser mic outputs, up to the “hot” line levels. The MX422 input channels can be used as wither balanced or unbalanced connections. When unbalancing - ground pin-3 to pin-1.
DESCRIPTION CONT. REAR PANEL PUSH PUSH PUSH PUSH 12 VDC + - MONITOR INPUT LEFT OUTPUT POWER MODEL MX422 RIGHT OUTPUT AUX INPUT - 30 dB LINE SERIAL NUMBER INPUT phan BATTERY SELECT low cut 4 trim INPUT phan low cut 3 trim INPUT phan trim low cut 2 INPUT phan trim low cut 1 VDC : Power input connector. Connects to the optional Rolls PS27s Power Adapter. POWER: Button - turns the MX422 on and off.
