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Summary of Contents for Comtek M-169
- Page 1 M-169 OPERATOR’S MANUAL (PRELIMINARY) M-169 Wireless Microphone Transmitter 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • http://www.comtek.com...
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Page 2: Table Of Contents
Battery Removal/Replacement ........Battery Charging ............Auxiliary Audio Input Operation ........Snap-On Belt Clip ..........Frequency Selection ..........Frequency Information ......... Optional Accessories ..........Specifications ............Warranty and Service ..........© 2008 COMTEK ® All rights reserved. Printed in the U.S.A. 0808M169... -
Page 3: Introduction
The M-169 incorporates the latest digital and analog technologies to produce low residual noise, wide dynamic range, and extended frequency response rendering the most natural sound possible from a personal communications system. -
Page 4: Setup
M-169 SETUP Setup a. Check to ensure that the M-169 transmitter’s radio frequency channel is the same as the associated COMTEK receiver’s channel. (Channels and mode of operation are indicated by the rotary channel selector switches on the back of the transmitter. See page 8 and 9.) b. -
Page 5: Controls
M-169 CONTROLS CHANNEL AND MODE SWITCHES: These rotary switches are used to set the transmitter to the desired operating frequency and companded or non-companded mode of operation. (See page 8 and 9 for frequency selection chart.) BATTERY COMPARTMENT: The battery... -
Page 6: Battery Removal/Replacement
M-169 BATTERY REMOVAL / REPLACEMENT Low Battery Indicator The LED on the top of the transmitter indicates the status of the battery as well as indicating that the unit is turned on. When the transmitter is turned on, the LED illuminates. If the battery is low, the green LED will blink rapidly to warn you that the battery will soon be dead. -
Page 7: Battery Charging
(Alkaline batteries must not be charged.) 2. Make sure the M-169 is turned OFF. 3. Note that the red charging indicator on the charger is ON when the M-169 is plugged into the charger through the audio output jack. 4. When using the NBC 9-2C charger allow the battery to charge for 14 hours for a full charge. -
Page 8: Auxiliary Audio Input Operation
M-169 AUXILIARY AUDIO INPUT OPERATION Auxiliary Audio Input Operation The M-169 transmitter may transmit a variety of audio sources such as tape and C.D. players, TV and VCR’s, or any audio device having an auxiliary or line level audio output. -
Page 9: Snap-On Belt Clip
M-169 AUX OPERATION / SNAP-ON BELT CLIP (Cont.) c. Turn on the transmitter with program from the audio source being fed to the transmitter. Observe the audio “voice” level modulation indicator. A full bright LED indicates full audio compression at 100% modulation. For best... -
Page 10: Frequency Selection
To avoid this type of interference , you should select frequencies from one of the standard groups (see group frequency charts on page 9), or use COMTEK’s frequency selection software available at www.comtek.com to determine appropriate frequencies or contact COMTEK to obtain a free copy. -
Page 11: Frequency Information
M-169 FREQUENCY INFORMATION 169 MHz BAND CHANNELS GROUP A CHANNEL FREQUENCY CHANNEL FREQUENCY 169.445 MHz 169.445 MHz 170.305 MHz 169.505 MHz 171.105 MHz 170.245 MHz 171.845 MHz 170.305 MHz 171.045 MHz GROUP B 171.105 MHz CHANNEL FREQUENCY 171.845 MHz 171.905 MHz 169.505 MHz... -
Page 12: Optional Accessories
M-169 OPTIONAL ACCESSORIES Optional Accessories 1. NBC 9-2C Battery charger 2. NBC 9-3-1 Digital fast charger 3. NBC 9-3-12 Digital 12-station fast charger 4. NH9-200 Rechargeable batteries 5. BC-216 Snap-on belt clip (supplied with M-175) 6. P1 Universal pouch 7. SM-185 Unidirectional... -
Page 13: Specifications
M-169 SPECIFICATIONS Audio Input: Out-of-Band Emissions: • Microphone input impedance for electret Better than 50 dB below carrier type microphone - 3000 ohm • Aux/Line input impedance - 10 k ohm R.F. Stability: (0 dBV nominal) 20 ppm XTL controlled... -
Page 14: Warranty And Service
1-800-496-3463 or 1-801-466-3463. Return the unit to the factory with the original or comparable packing. COMTEK will pay for insurance and ground return shipping costs in the United States for all warranty service.
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