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M-216 OPERATOR’S MANUAL

357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • http://www.comtek.com

M-216

Wireless
Microphone
Transmitter

Summary of Contents for M-216

Page 1: ...M 216 OPERATOR S MANUAL 357 West 2700 South Salt Lake City Utah 84115 Phone 800 496 3463 Fax 801 484 6906 http www comtek com M 216 Wireless Microphone Transmitter ...

Page 2: ...uction Setup Controls Battery Removal Replacement Battery Charging Auxiliary Audio Input Operation Snap On Belt Clip Frequency Selection Frequency Information Optional Accessories Options HH 185 Trouble Shooting Specifications Warranty and Service 1 2 3 4 5 6 7 7 8 9 10 11 12 13 14 15 16 17 ...

Page 3: ... response rendering the most natural sound possible from a wireless microphone The transmitter s microcontroller automatically sets the modulation deviation companding or non companding audio processing when corresponding channels are selected Because of this comprehenive feature this versatile transmitter can transmit on 19 high fidelity companded channels or 38 standard channels ensuring compati...

Page 4: ...inserting the microphone plug into the receptacle on the top of the transmitter The transmitter is operating when the transmitter power switch is turned on and the battery status on indicator illuminates NOTE The 36 inch microphone cord also functions as part of the transmitter s antenna system For optimum performance this cord should be fully extended Coiling or bunching the microphone cord may r...

Page 5: ... audio source r AUDIO VOICE MODULATION INDICATOR This indicator is used in making adjustment with the Audio Input Gain Control s MIC ANTENNA JACK This jack accepts an electret type microphone having a 36 long cord with a micro mini 2 5 mm mono plug This jack is also used for the R F output for the screw in whip antenna when only the auxiliary audio input is used t POWER BATTERY STATUS INDICATOR Th...

Page 6: ...ery immediately Battery Removal Replacement M 216 BATTERY REMOVAL REPLACEMENT Page 4 Pull back battery door latch and allow battery cover door to spring open To remove battery simply manipulate the bottom of battery out of thecompartment and remove To insert battery face battery with negative terminal in line with large hole in battery compartment press battery into compartment and close battery d...

Page 7: ...ow the battery to charge for 14 hours for a full charge Unit must then be unplugged When using the NBC 9 3 1 digital fast charger the charger will automatically end the charge cycle and the red LED will change to green With the NBC 9 3 1 charger the unit may be left in the charger until the unit is used 5 Periodically open the battery compartment on stored COMTEK units to check for battery leakage...

Page 8: ...ety of specialty applications auxiliary input cables with RCA phono plug 1 4 audio phone plug and XLR connectors are available from COMTEK Setup a Plug the micro mini screw lock whip antenna into the top center jack mic ant of the M 216 transmitter The whip antenna should be in a vertical position away from any metallic objects to ensure maximum range performance b Connect the proper auxiliary inp...

Page 9: ...udio input with the microphone plugged into the transmitter priority should be given to the microphone gain adjustment The mixing balance between the auxiliary audio and the microphone should be made with the volume control of the auxiliary audio source Note The optional microphone mute switch only affects the microphone It does not affect the auxiliary audio input M 216 SNAP ON BELT CLIP STEP1 Ho...

Page 10: ...el 41 216 0250 MHz position the left rotary switch to point to 4 X10 and position the right rotary switch to point to 1 X1 Refer to frequency charts on pages 9 and 10 for selectable frequencies Multiple Channel Operation When multiple transmitters are broadcasting in the same immediate area within 100 feet the RF signals will mix together generating additional signals If these product frequencies ...

Page 11: ... 9375 MHz 216 9625 MHz 216 9875 MHz Non Companded Channels For use with COMTEK and other manufacturers Educational Standard High Fidelity Companded Channels For use with COMTEK equipment only Companded 216 0250 MHz 216 0750 MHz 216 1250 MHz 216 1750 MHz 216 2250 MHz 216 2750 MHz 216 3250 MHz 216 3750 MHz 216 4250 MHz 216 5250 MHz 216 5750 MHz 216 6250 MHz 216 6750 MHz 216 7250 MHz 216 7750 MHz 216...

Page 12: ...16 9875MHz GROUP B CHANNEL FREQUENCY 3 5 12 22 38 216 0625MHz 216 1125MHz 216 2875MHz 216 5375MHz 216 9375MHz GROUP C CHANNEL FREQUENCY 17 23 30 34 39 216 4125MHz 216 5625MHz 216 7375MHz 216 8375MHz 216 9625MHz GROUP D CHANNEL FREQUENCY 41 44 51 55 60 216 0250MHz 216 1750MHz 216 5250MHz 216 7250MHz 216 9750MHz GROUP 1 CHANNEL FREQUENCY 42 49 53 58 216 0750MHz 216 4250MHz 216 6250MHz 216 8750MHz GR...

Page 13: ...00C Headworn unidirectional electret microphone 7 HH 185 Handheld microphone boom adaptor 8 TM 10 Conference table microphone adaptor 9 SM 185RT Unidirectional electret condenser microphone Auxiliary Audio Input Cords 10 CB 36 ST Stereo mini 3 5 mm supplied with M 216 11 CB 36 RCA Phono plug optional 12 CB 36 ST 1 4 Stereo 1 4 optional 13 CB 36 XLR XLR F 3 pin connector optional M 216 OPTIONAL ACC...

Page 14: ...6 mounting bracket stand optional Included belt clip Auxiliary audio input jack BNC type connector SLW 216 short whip antenna supplied M 216 OPTIONS Page 12 Option 1 The optional microphone mute switch allows the speaker s voice from the M 216 transmitter to be muted while the aux input audio remains on When the microphone switch is turned back on the aux audio level is automatically lowered 6 dB ...

Page 15: ...a high background noise environment The HH 185 boom incorporates a unique integral antenna design so no external antenna is required while still maintaining full transmission The HH 185 boom microphone can also be used with the PR 216 personal receiver equipped with the Option 2P for auditory assistance applications When plugged into the PR 216 personal receiver the gain of the boom microphone can...

Page 16: ...not illuminate when new alkaline batteries are used Transmitter Audio Problem If There is no visual indication on the voice modulation level indicator when speaking into the microphone of the M 216 transmitter Then Turn up the microphone gain setting clockwise until the voice modulation indicator illuminates with speech level Make sure the optional muting switch is in the mic on position Check the...

Page 17: ...itter channel and a new channel must be selected If the status indicator LED on the PR 216 receiver is illuminated continuously and noise is no longer heard then the channel is clear and channel interference is not the problem 5 Transmitter Power and Receiver Sensitivity Check the M 216 transmitter for normal R F power and the PR 216 receiver for normal R F sensitivity This can easily be done by r...

Page 18: ...or with 30 dB linear overload protection attack time less than 1 ms recovery time 10 ms Frequency Modulation 10 kHz deviation Operating Radio Frequency ity 57 synthesized frequencies in the 216 217 MHz LPRS band under FCC part 95 Out of Band Emissions Better than 45 dB below carrier R F Stability 20 ppm XTL controlled Digitally synthesized RF Power Output 10 mW to antenna system Antenna System Bod...

Page 19: ...d COMTEK shall bear no responsibility or obligation with respect to the manner of use of any equipment sold by it COMTEK SPECIFICALLY DISCLAIMS AND NEGATES ANY WARRANTY OF MERCHANTABILITY OR FITNESS OF THE PRODUCT FOR A PARTICULAR PURPOSE INCLUDING WITHOUT LIMITATION ANY WARRANTY THAT THE USE OF SUCH EQUIPMENT FOR ANY PURPOSE WILL COMPLY WITH APPLICABLE LAWS AND REGULATIONS Service Policy Warranty...

Page 20: ...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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