Руководство по эксплуатации Radio Shack 21-1177

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21-1177.fm Page 1 Thursday, August 5, 1999 8:44 AM
Cat. No. 21-1177
Noise-Cancelling Dynamic CB Microphone
Your Radio Shack Noise-Cancelling CB
Microphone is designed for use with your
CB in your vehicle, where background
noise is a problem. It picks up voice fre-
quencies spoken directly into the micro-
phone and filters out background noise
from vehicles, wind, the car radio, etc.
The microphone is also ideal for a mobile
or outdoor PA system.
FEATURES
1. Push the tab on the battery com-
pa

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21-1177.fm Page 2 Thursday, August 5, 1999 8:44 AM MOUNTING THE CLIP USING THE HANGER MICROPHONE You can hang the microphone on your Push the switch on the microphone’s side CB’s existing mounting bracket, or use to send a transmission. Release the the supplied clip hanger and screws. switch to receive. To mount the clip hanger, use it as a tem- plate and drill two holes at the desired lo- cations on the vehicle’s dashboard. Then use the supplied screws to mount the clip hanger on the dashbo

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21-1177.fm Page 3 Thursday, August 5, 1999 8:44 AM REWIRING THE MICROPHONE’S DIN PLUG The following chart shows the function of the pins in the microphone cord’s DIN plug. This information is provided in case you need to rewire the plug to be compatible with CB brands other than Radio Shack, or with various business band, ham, and broadcast trans- ceivers and PA equipment. Important: Do not cut the microphone’s wires. If you cut any wire, you cannot obtain a refund or exchange on this produc

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21-1177.fm Page 4 Thursday, August 5, 1999 8:44 AM SPECIFICATIONS Type ..........................................................Dynamic Microphone with Push-to-Talk Switch Impedance ........................................................................................... 300 ohms at 1 kHz Output Sensitivity ...................................... –64 dB ±3 dB at 1 kHz with Maximum Volume (0 dB = 1 V/μ bar, Distance 0.5M) Characteristic .......................................................