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Comtek M-216 Operator's Manual

Wireless microphone transmitter
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M-216 OPERATOR'S MANUAL
M-216
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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Summary of Contents for Comtek M-216

  • Page 1 M-216 OPERATOR’S MANUAL M-216 Wireless Microphone Transmitter 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • http://www.comtek.com...
  • Page 2 The M-216 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 wireless microphone.
  • Page 3 M-216 OPERATING INSTRUCTIONS Setup a. Check to ensure that the M-216 transmitter’s radio frequency channel is the same as the associated COMTEK receiver’s channel. (Channels are indicated by the rotary channel selector switches on the back of the transmitter. See page 3.) b.

  • Page 4: Multiple Channel Operation

    M-216 OPERATING INSTRUCTIONS Frequency Selection (216-217 MHz) The M-216 transmitter can operate on one of 57 available channels between 216 MHz and 217 MHz. COMTEK’s channel designations indicate both standard narrow-band channels and high-fidelity, wide-band companded channels. Channels 1-40 are narrow-band channels (5 kHz deviation) offering compatibility with other manufacturers’...

  • Page 5: Low Battery Indicator

    M-216 OPERATING INSTRUCTIONS 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 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 6: Auxiliary Audio Input Operation

    Connect the proper auxiliary input cable to the audio source. Connect the right-angle mini plug end of the auxiliary input cable in the “AUX” input jack of the M-216 transmitter. Note: Check to ensure that the audio source is a line level, earphone level, or fixed AUX level output.

  • Page 7: Belt Clip Installation

    Note: The optional microphone mute switch only affects the microphone. It does not affect the auxiliary audio input. M-216 SNAP-ON BELT CLIP (Included) STEP 2: Rotate belt clip down onto case. Apply...

  • Page 8: Battery Charge

    Ni-MH battery is used. Note that immediately after charging, the battery will be warm. This is normal and not cause for alarm. 5. On stored COMTEK units, periodically open the battery compartment to check for battery leakage. If a battery is leaking, it must be discarded, and the battery compartment must be cleaned or returned to COMTEK’s...

  • Page 9: Auxiliary Audio Input Jack

    M-216 CONTROLS COMPAND AUTO / OFF SWITCH: This switch overrides the automatic selection of the companded channels to non-companded operation. " CHANNEL SWITCHES: These rotary switches are set to the same channel as the receiver. Actual frequency of operation must agree with the receiver.

  • Page 10: Channel Frequency

    M-216 FREQUENCY CHART arrow-Band Channels; 5 kHz dev. High-Fidelity Channels; 10 kHz dev. For use with COMTEK and other manufacturers For use with COMTEK equipment only (Educational Standard) (Companded) FREQUENCY CHANNEL FREQUENCY CHANNEL (SWITCH POSITION) (SWITCH POSITION) 216.0125 MHz 216.0250 MHz 216.0375 MHz...
  • Page 11 M-216 M-216 216 MHz 216 MHz NARROW-BAND WIDE-BAND FREQUENCY GROUPS FREQUENCY GROUPS For COMTEK Compatible with COMTEK and other manufacturers equipment only (5 kHz deviation) (10 kHz deviation) GROUP 1 GROUP A CHANNEL FREQUENCY CHANNEL FREQUENCY 216.0250 MHz 216.0125 MHz 216.1750 MHz...

  • Page 12: Optional Accessories

    M-216 OPTIONAL ACCESSORIES Optional Accessories 1. NBC 9-2C Battery charger 2. NH9-150 Rechargeable batteries 3. P1 Universal pouch 4. BC-216 Snap-on belt clip (supplied with M-216) 5. LW-216 Whip antenna (supplied with M-216) 6. PSC-HM Headworn unidirectional electret microphone 7. HH-185 Hand held microphone boom adaptor 8.
  • Page 13 M-216 SPECIFICATIONS Audio Input: Out-of-Band Emissions: • Microphone input impedance for electret Better than 45 dB below carrier type microphone - 3000 ohm • Aux/Line input impedance - 10 k ohm at R.F. Stability: 0 dB nominal 20 ppm XTL controlled...

  • Page 14: Warranty

    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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