Related Manuals for Comtek PR-75a
Summary of Contents for Comtek PR-75a
- Page 1 OPERATOR’S MANUAL PR-75a AutoSmart-Tuning Assistive Listening Receiver 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • www.comtek.com...
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Page 2: Table Of Contents
Belt Clip Removal and Installation ......Specifications ............Warranty and Service ..........WARNING: MODIFICATION OF THIS DEVICE TO RECEIVE CELLULAR RADIOTELEPHONE SERVICE SIGNALS IS PROHIBITED UNDER FCC RULES AND FEDERAL LAW. ® © 2004 COMTEK All rights reserved. Print Release Date 01-18-2007... -
Page 3: Introduction
INTRODUCTION PR-75a AutoSmart-Tuning Assistive Listening Receiver he PR-75a personal receiver is the newest generation of user-friendly, high fidelity monitor receivers for auditory assistance and other personal communication applications. When turned on, this unique receiver will automatically tune itself to the closest transmitter. -
Page 4: Controls And Indicators
PR-75a CONTROLS AND INDICATORS PR-75a Controls BATTERY COMPARTMENT: The battery compartment features a hinged battery cover and a polarity protection design to ensure that only proper battery polarity can occur. AUDIO OUTPUT JACK: This stereo/mono audio output jack accommodates any low impedance headphone;... -
Page 5: Setup And Operation
The use of carbon batteries is not recommended. b. Ensure that there is a signal on the air on a channel from A-J (see frequency chart page 6). The PR-75a receiver must be within 150 feet of the transmitter for best reception. -
Page 6: Setup And Operation
Because each monitoring application requires a different headphone or transducer to best satisfy each listening need, the PR-75a can source a strong audio signal (200 mW) to either stereo or mono headphones with an impedance as low as 16 ohm. -
Page 7: Optional Accessories
PR-75a OPTIONAL ACCESSORIES Optional Accessories 1. NBC 9-3-1 Digital fast charger 2. NBC 3-1 3 volt 12 hour battery charger 3. NH 1600 Rechargeable Ni-MH battery (1.2 volt 1700 mAh) 4. P-1 Universal pouch 5. BC-216 Snap-on belt clip (supplied with PR-75a) 6. -
Page 8: Frequency Information
AutoSmart-Tuning Process Plugging the earphone into the PR-75a receiver will automatically turn on the receiver and initiate the AutoSmart-Tuning process. (The LED will blink very rapidly during this process.) The receiver will then tune itself to the closest on-air transmitter in its vicinity. - Page 9 When programming new customized frequency groups with the FP-75 channel programmer, COMTEK’s Frequency Selection Guide Software can be used to determine appropriate frequencies. Contact COMTEK to obtain a free copy of the frequency selection software or download it from COMTEK’s web site at www.comtek.com/software.html Transmitter Proximities...
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Page 10: Battery Information
PR-75a BATTERY INFORMATION Low Battery Indicator The LED indicator on the PR-75a is a multi-function indicator which includes low battery detection. When the receiver is operating normally, the LED indicator illuminates continuously indicating that the receiver is receiving a signal on the tuned channel. If... -
Page 11: Battery Charging
2. Note that the red charging indicator on the charger is “ON” when the PR-75a is plugged into the charger through the audio output jack. 3. When using the NBC -3 charger allow the battery to charge for 12 hours for a full charge. -
Page 12: Belt Clip Removal And Installation
PR-75a SNAP-ON BELT CLIP Belt clip removal indent Belt clip removal Flex out and pull down with your thumb or a large coin (quarter) to unsnap belt clip from case. STEP 2: Rotate belt clip down onto case. Belt clip installation... -
Page 13: Specifications
PR-75a SPECIFICATIONS Audio Output: Frequency Stability: Headset output 200 mW average 0.002% frequency synthesized (Impedance as low as 16 ohm) crystal controlled Connectors: RF Sensitivity: Stereo/mono 3.5 mm audio output • 1.3 µV for 38 dB of quieting connector and charging input. -
Page 14: Warranty And Service
COMTEK is not liable for consequential damages arising out of any failure of the equipment to perform as intended. COMTEK shall bear no responsibility or obligation with respect to the manner of use of any equipment sold by it. - Page 15 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • www.comtek.com...
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