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INTRODUCTION
Congratulations and thank you for purchasing the OWI CRS-101 Infrared Wireless Microphone System.
This compact system is suitable for Classrooms, Training rooms, Conference rooms and for Public
speaking.
The CRS System is an Infrared (IR) Wireless system that allows the speaker the freedom to move about
the room without the restriction of a microphone cable. The two included CRS-IRS IR Sensors allow use
of several options of microphones.
The CRS-CASE is an amplified audio mixer that provides inputs for infrared wireless microphones, two
unbalanced mono ¼” phone jacks and a stereo RCA line level audio source. The internal amplifier is a
clean, powerful 30 watts per channel in a dual mono configuration (i.e. the system outputs the same
mono signal to up to two speakers).
The CRS-HHMIC Wireless Microphone (optional) is a HAND-HELD IR WIRELESS MICROPHONE. This
option can be used by the speaker for presentation or can be passed around the classroom or audience
to allow questions to be clearly heard by all.
The CRS-PMIC is a combination IR Wireless PENDANT MICROPHONE AND BATTERY CHARGER. It
gets clipped onto a coat or shirt pocket, or hung around the presenter’s neck on a lanyard and is then
used as a wireless microphone allowing for a hands free presentation.
The CRS-PMIC also features a MIC Input that connects to either of the also included CRS-LMIC LAPEL
MICROPHONE or optional CRS-HSMIC HEADSET MICROPHONE. These two ultra-sensitive mics
provide additional options for hands-free presentations.
The IR Wireless Microphones are similar to ‘normal’ mics in how they detect speech, but rather than
directly connecting to a PA or other amplifier, they convert the audio signals into very strong IR pulses
(invisible light pulses) that are ‘seen’ by the IR Sensors. The Sensors receive these pulses and output
electrical pulses to the CRS-CASE, where the electrical pulses are converted back to audio signals,
amplified and output to the speakers.
IR is invisible light and IR systems typically require a direct line-of-sight from the transmitter (microphone)
to the receiver (IR Sensors) to operate. The CRS-101 was designed with ultra-high output IR circuitry that
allows the IR pulses output from the microphones to reflect off ceiling, wall and hard floor surfaces. The
IR Sensors are designed to ‘see’ IR from any direction, allowing uninterrupted presentations.
The CRS-101 System is easy to install and operate. Once set up, it will be ready for class every day. One
important point: Just as students need sleep to re-charge, the microphone batteries need to be kept at
peak performance levels as well, so it is important to re-charge the batteries before each use.
When not in use, the CRS-CASE provides a secure, locking storage space for the Pendant, Lapel and
Headset Microphones, so they will never get misplaced.
The CRS-101 when combined with OWI’s P5278 Bookshelf or IC5 or IC6 in-ceiling speakers help create
professional easy to hear presentations of both spoken content and audio from external sources such as
CD/DVD players, Computers, Cable, Satellite, VCR, etc.
OWI CRS-101 Infrared Wireless Microphone System. Always at the head of the class.