User manual ROLLS PM350B

[. . . ] This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. PM350b Personal Monitor Mixer Plus The PM350 mixes an XLR mic signal, 1/4 TRS stereo or mono instrument signal, and a 1/4" TRS stereo or mono monitor signal together for headphone monitoring. · XLR Mic In & Pass Through · Stereo or Mono 1/4" Line Input · "Phantom" powering via the Line In · Stereo or mono 1/4" Instrument In with built-in DI outs · Switchable ground lift on balanced outputs · Two Headphone Outputs 1/4" and 1/8" stereo mono HEADPHONE OUTPUTS LINE LEVEL Rolls Corporation Salt Lake City, UT 1/03 Owners Manual DC IN 12 VDC + - INST. IN MIC LEVEL mon ster LEFT OUT INST. LEVEL lift gnd lift gnd RIGHT OUT PWR INTRODUCTION Thank you for your purchase of the PM350b Personal Monitor Mixer Plus. This unit mixes a microphone signal with a 1/4" Tip-Ring-Sleeve stereo or mono instrument level signal and a 1/4" TRS stereo or mono monitor signal. [. . . ] If you experience wax buildup in your ears, stop using the system until an audiologist has examined your ears. Wipe the earphones with an antiseptic before and after use to avoid infections. Stop using the earphones if they are causing great discomfort or infection. 1 1 1 2 3 4 5 6 BACK COVER This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit. 1 6 SCHEMATIC DESCRIPTION LINE INPUT: 1/4" TRS stereo jack for connection to a line level source such as a mixer monitor/auxiliary output, cassette player output, CD player output etc. ground lift: Header jumper for disconnecting chassis ground from pin 1 of the Mic Input and Mic Thru. MIC THRU: XLR jack paralleled (hard-wired) to the MIC INPUT jack for pass-through to a mixer or other microphone level input device. MIC INPUT: XLR balanced jack for connection to a condenser or dynamic microphone. INSTRUMENT INPUT: 1/4" TRS stereo jack for connection to an instrument or line level signal such as a guitar processor, keyboard, or instrument preamp output. MONO/STEREO JUMPER: Selects whether the INST. LEFT/RIGHT OUTPUTs: Electronically balanced 1/4" TRS outputs of the Instrument Input. ground lift: Header jumper for disconnecting chassis ground from the 1/4" TRS instrument output jacks. MONO/STEREO JUMPER (Located below the LINE INPUT): Selects whether the LINE INPUT jack is mono or stereo. NOTE: When in MONO mode, the ring of the jack may be used to "phantom power" the PM350. DC IN 12 VDC: For connection to the external Rolls PS27 power adapter. HEADPHONE OUTPUTS:1/4" Stereo jack, and 1/8" stereo jack for connection to stereo headphones or earphones. LINE LEVEL: Adjusts the level of signal from the LINE INPUT to the headphone mix. MIC LEVEL: Adjusts the level of signal from the MIC INPUT to the headphone mix. LEVEL: Adjusts the level of signal from the INST. INPUT to the headphone mix. lift gnd LINE INPUT mon ster mono stereo PM350b PERSONAL MONITOR MIXER PLUS MIC LEVEL INST. LEVEL lift gnd MIC THRU MIC INPUT INST. IN LEFT OUT RIGHT OUT DC IN 12 VDC + HEADPHONE OUTPUTS LINE LEVEL PWR 5 2 CONNECTION The diagram below shows an example of how to connect the PM350b for proper operation. · The LINE INPUT connects to either a 1/4" stereo or mono plug. If this plug is Tip-Ring-Sleeve stereo and you're sending a stereo signal to this jack, select the STEREO setting of the Mono/Stereo jumper. [. . . ] INPUT THRU INPUT CORRECTLY, CONTACT A QUALIFIED SERVICE TECHNICIAN. LINE INPUT lift gnd LINE INPUT MIC THRU MIC INPUT INST. IN LEFT OUT RIGHT OUT mono stereo PM350b PERSONAL MONITOR MIXER PLUS MIC LEVEL INST. LEVEL NOTE: This unit cannot be powered by standard 48 Volt Phantom Power supplied by mixers, phantom power adapters etc. The current (amperes) is insufficient to power the PM350b. [. . . ]