User manual ROLLS PM350B
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Manual abstract: user guide ROLLS PM350B
Detailed instructions for use are in the User's Guide.
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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. 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. The Mic Input and Thru jacks have a switchable ground lift, as do the 1/4" TRS Instrument Outputs. [. . . ] Follow these guidelines in the use of this product to protect your ears from damage: 1. 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.
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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. 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. INPUT to the headphone mix.
lift gnd
LINE INPUT
mon ster
mono stereo
PM350b
PERSONAL MONITOR MIXER PLUS
MIC LEVEL 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. If the plug is Tip-Sleeve mono, select the MONO setting of the Mono/Stereo jumper. The MONO setting is also the proper selection if you are phantom powering the PM350b. [. . . ] NOTE: If the LINE INPUT mono/stereo jumper is missing, only one side of the headphones/earphones will work.
LINE INPUT
lift gnd
MIC THRU
MONO STEREO
HEADPHONE OUTPUTS
· Phantom Powering the PM350b A very useful feature of the PM350b is the ability to send the 12VDC power to the unit via the LINE INPUT ring connection. ROLLS WILL NOT BE HELD RESPONSIBLE FOR DAMAGE DONE TO THE PM350 AS A RESULT OF IMPROPER USE OF THIS FEATURE. 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. [. . . ]
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