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Summary of Contents for Etymotic Research Companion Mics CM-4
- Page 1 CM•4 Companion Mics ® Multi-Talker Noise Reduction System User Guide...
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Page 2: Table Of Contents
System Configurations ..............2 Identification of Controls ...............3 Listening Options ................4 Operation ..................4 Interference ..................5 Operating Distance ................5 Charging ..................6 Specifications .................7 About Etymotic Research ..............8 Warranty ..................8 FCC and Other Information ............9 FCC Health and Safety Information ..........9 Industry Canada ................9... -
Page 3: About Companion Mics
ABOuT COmpANiON miCS ® The Companion Mics project began in 1992. Before it was introduced in 2006, it went through five developmental phases: 1) ultra low-power digital transmission; 2) low-cost FM systems; 3) high-cost FM systems; 4) low-power digital security-alarm systems; and 5) the 2006 version, a 2.4 GHz spread-spectrum (digital frequency hopping) system. -
Page 4: System Configurations
SySTEm CONFiGurATiONS • 2, 3 or 4 individual CM4 units • 1-4 pairs of ER-6i earphones as specified by purchaser • 1-4 Neckloop(s) as specified by purchaser • AC adapter • 4-unit charging cable • Carrying Case • User Guide Carrying case ER-6i high-fidelity Noise-isolating Earphones... -
Page 5: Identification Of Controls
idENTiFiCATiON OF CONTrOLS OFF and Volume Down ON and Volume Up Earphone/Neckloop Jack Shirt Clip... -
Page 6: Listening Options
Pairing Pairing is done at factory and is not required by the user. If additional units are purchased, the system must be returned to Etymotic Research to be paired. The units turn on independently, but the Master Unit (Unit 0) must be on at all times when the system is in use. -
Page 7: Interference
Disconnecting and Reconnecting • Any unit (except the Master Unit) can be disconnected from the system and reconnected by simply pressing the ON and OFF buttons. When the green LED is off, the unit is off. • If the LED is blinking green, check the Master Unit. It needs to be on during use. -
Page 8: Charging
CHArGiNG Step 1 Insert the 3.5 mm plug from the charging cable into the earphone jack on the CM4 Step 2. Plug the USB end of the charging cable into the AC adapter. Step 3. Plug the AC adapter into a wall socket. •... -
Page 9: Specifications
SpECiFiCATiONS Size: 2" x 1" (52 x 26 mm) 1/2" thick (12.7 mm) without clip Weight: About one-half ounce Talk Time: About six to ten hours depending on use Charging Connector: 3.5mm jack to USB Charge Time: About one hour to 80% full; 2 hours to full Battery Time: Amber light flutters when the battery capacity is about or less than 10% Audio Connector:... -
Page 10: About Etymotic Research
Scientists, engineers, and audiologists working together have generated more than 100 patents issued or pending. Etymotic Research has an extensive sound laboratory that includes three anechoic chambers and a reverberation room. Etymotic (et-im-oh-tik) means “true to the ear.”... -
Page 11: Fcc And Other Information
FCC ANd OTHEr iNFOrmATiON This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. - Page 12 EtyMOtIC RESEARCH INC. 61 Martin Lane • Elk Grove Village, IL 60007 www.etymotic.com • 888-389-6684 ©2014. Companion Mics is a registered trademark of Etymotic Research, Inc. ER083115-A...
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