RadioShack Pro 94 Handheld Scanner Owners Manual
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61 Programming the Base and Offset Frequencies To properly track Motorola VHF and UHF trunked sys- tems, you must program the applicable base and offset frequencies for each system. A list of these frequencies can be found at www.trunk- scanner.com and other similar frequency resources. 1. Set the scanner for conventional scanning. Press PROG then TRUNK. 2. Press the number key of the bank where you want to store the base frequency. 3. Repeatedly press V or W to select E2-VHi or E2-UHF, then press...
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62 Turning On/Off the Motorola Disconnect Tone Detect Function While trunking a Motorola system, your scanner auto- matically tunes to the data channel when it detects a disconnect tone (a code that tells the trunking system that the transmitter has finished sending) on the voice channel. You can manually turn off this function so the scanner does not tune to the data channel under those condi- tions. You might use this feature to listen to weak trans- missions when conversations are generally...
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63 A GENERAL GUIDE TO SCANNING Your scanner’s reception is mainly “line-of-sight.” You usually cannot hear stations that are beyond the hori- zon. GUIDE TO FREQUENCIES National Weather Frequencies Birdie Frequencies Every scanner has birdie frequencies. Birdies are sig- nals created by the scanner’s internal circuits. These stray frequencies might interfere with broadcasts on the same or similar frequencies. If you program one of these frequencies, you hear only noise on that frequen- cy. If the...
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64 GUIDE TO THE ACTION BANDS Typical Band Usage Primary Usage As a general rule, most of the radio activity is concen- trated on the following frequencies: VHF BandVHF Band Low Range 29.00–50.00 MHz 6-Meter Amateur 50.00–54.00 MHz U.S. Government 137.00–144.00 MHz 2-Meter Amateur 144.00–148.00 MHz High Range 148.00–174.00 MHz 1-Meter Amateur 216.00–225.00 MHz UHF Band U.S. Government 406.00–420.00 MHz 70-cm Amateur 420.00–450.00 MHz Low Range 450.00–470.00 MHz FM-TV Audio Broadcast, Wide...
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65 UHF Band Note: Remote control stations and mobile units operate at 5 MHz higher than their associated base stations and relay repeater units. BAND ALLOCATION Use the following listing of the typical services within your scanner’s frequency coverage to assist you to de- cide which frequency ranges to scan. These frequen- cies are subject to change, and might vary from area to area. For a more complete listing, refer to the “Police Call Radio Guide including Fire and Emergency Servic- es,” available...
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66 ROAD ...................................... Road & Highway Maintenance RTV ................................. Radio/TV Remote Broadcast Pickup TAXI .................................................................... Taxi Services TELB ............................................................ Mobile Telephone (Aircraft, Radio Common Carrier, Landline Companies) TELC ............................................................. Cordless Phones TELM ....................................................
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67 152.0075 .......................................................................... MED 152.030–152.240 ............................................................ TELB 152.270–152.480 ........................................... IND, TAXI, BUS 152.510–152.840 ............................................................ TELB 152.870–153.020 .................................................... IND, MOV 153.035–153.725 ............................................. IND, OIL, UTIL 153.740–154.445...
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68 462.9375–463.1875 ......................................................... MED 463.200–467.925 .............................................................. BUS FM-TV Audio Broadcast, UHF Wide Band (470–512 MHz) (Channels 14 through 69 in 6 MHz steps) 475.750 .................................................................. Channel 14 481.750 .................................................................. Channel 15 487.750 .....................................................................
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69 TROUBLESHOOTING If your PRO-94 is not working as it should, these sug- gestions might help you eliminate the problem. If the scanner still does not operate properly, take it to your local RadioShack store for assistance. Problem Possible Cause Remedy Scanner is on but will not scan.SQUELCH is not adjusted cor- rectly.Turn SQUELCH clockwise. Only one channel or no channels are stored.Store frequencies into more than one channel. Scanner is totally inoperative.No power. Check the batter- ies...
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70 BATT. Lo flashes.The batteries are weak.Recharge the rechargeable bat- teries or replace the non-recharge- able batteries. Poor or no recep- tion.Batteries are weak or com- pletely dis- charged.Check the batter- ies or make sure the AC adapter or DC adapter is connected prop- erly. An antenna is not connected or is connected incor- rectly.Make sure an antenna is con- nected to the scanner. Error appears.Programming error.Re-enter the fre- quency correctly, including the deci- mal...