RadioShack Pro 94 Handheld Scanner Owners Manual
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51 Using Trunk Scanning Scan Delay Sometimes a user might pause before replying to a transmission. You can set the scanner to hold on an ID for 5 seconds to wait for a reply. That way, the scanner continues to monitor the ID for 5 seconds after the transmission stops before resuming scanning. Press DELAY to turn trunk scanning scan delay on or off. DLY appears when the scan delay is set to on. Note: If you consistently miss responses even with scan delay turned on, change the default system type or the fleet map being used. See “Scanning Type I and Hybrid Trunked Systems” on Page 55. Monitoring Talk Group IDs You can use your scanner’s display to monitor the fre- quencies/talk group IDs of a trunked system for activity. While you cannot hear conversations in this mode, it is an excellent way to determine which talk group IDs are the most active. To set the scanner to monitor IDs, hold down MON/CLR (•) until SEARCH and the channel num- ber flash. All active group IDs appear in quick succes- sion. To stop monitoring IDs, press SRC again. Note: When you monitor IDs, any IDs you have locked out also appear. 20-524.fm Page 51 Tuesday, August 31, 1999 3:55 PM
52 CHANNEL ACTIVITY BARS Your scanner displays up to 20 channel activity bars for the stored frequencies in a bank. These bars indicate the activity taking place on a trunked system. By ob- serving these bars, you can see how many frequencies are being used and generally monitor how much com- munication traffic occurs. Each frequency you store in a trunking bank has a cor- responding activity bar. However, there are only 20 bars for a possible maximum of 50 frequencies. If the trunk system contains more than 20 frequencies, some bars will represent more than one frequency. • If a bar appears steadily without any voice trans- mission, it represents the frequency in use as the data channel. • If a bar appears and flashes when an ID appears, the bar represents the frequency being used by the trunk system transmitter. • If a bar appears without any voice transmission, the channel is probably being used for a telephone interconnect call or a private call, or the bar might be a locked-out ID. Your scanner does not monitor these types of calls. • If the scanner is holding on an ID which is not being used, the other activity bars turn on and off as other groups use the system. USING TALK GROUP ID LISTS When you program trunked frequencies into a bank (see “Storing Trunked Frequencies” on Page 43), your scanner sets up 5 scan lists for that one bank in which you can store your favorite IDs. Each list can contain 20-524.fm Page 52 Tuesday, August 31, 1999 3:55 PM
53 up to 10 IDs, for a total of 50 IDs for each trunk scan- ning bank. If you use all the banks as trunking banks, you can store 1000 IDs. Talk group ID lists help you to organize trunking system users into categories. For example, you might use List 1 for police IDs, List 2 for fire department IDs, List 3 for emergency medical service IDs, and so on. Once you store all the IDs in a list, you can scan them just as you scan conventional channels. You can program IDs into talk group ID lists manually, during a search, or auto- matically. Manually Storing Talk Group IDs in Talk Group ID Lists 1. Select the trunking bank you want to use (see “Scanning a Trunked Bank” on Page 46). 2. After the scanner begins trunk scanning, press MAN. A number showing the current talk group ID list appears at the top of the display, and bars appear that show activity in other banks. 3. Press MAN again, then repeatedly press V or W to select the talk group ID list location (shown at the top of the display) where you want to store an ID. Then press PROG. 4. Enter the type of ID you want to store, then press E. To enter a Type I ID, use the number keys to enter the block number and the fleet number, then press •. Enter the subfleet number and press E. To enter a EDACS ID, use the number keys to enter the agency number, then press •. Next, enter the fleet number and the subfleet number, then press E. Note: To clear a mistake while entering an ID, press 0 then E, then start over at Step 1. 5. Repeatedly press PROG or V to select the next scan list location you want to program. Then repeat Step 4 to enter another ID. 6. When you finish, press E to store the entries. 20-524.fm Page 53 Tuesday, August 31, 1999 3:55 PM
54 Moving Talk Group IDs to Talk Group ID Lists 1. Press MAN. MAN appears. 2. Select the ID scan list location where you want to store the IDs, then press PROG. PGM appears. 3. Press MON/CLR. A monitor ID appears. 4. Press E. The scanner stores the IDs into the selected ID scan list. Scanning the Talk Group ID Lists Press SCAN to begin scanning the lists you have stored. Note: If one or more of the IDs you stored are incorrect, Error flashes twice and the scanner beeps several times, then the scan list numbers appear at the top of the display. To correct the entry, delete at least one of the incorrect IDs (see “Deleting a Stored Talk Group ID List”). To remove a scan list from active scanning, use the number keys to enter the scan list’s number. The scan list number turns off, and the IDs in that list are not scanned. Note: One of the five scan lists must always be active. You cannot remove all of them. To restore a scan list to active scanning, use the num- ber keys to enter the number of the list again. Press SRC to return to the previously selected function. Deleting a Stored Talk Group ID List 1. Press PROG. PGM appears. 2. Repeatedly press V or W to select the talk group ID list location (shown at the top of the display) you want to delete. 3. Press 0 then E. 20-524.fm Page 54 Tuesday, August 31, 1999 3:55 PM
55 Priority Talk Group ID Scanning You can assign a priority to a favorite ID so during scanning the scanner checks that ID more frequently than the others in the list. Each of the five memory loca- tions reserved for storing lists (see “Using Talk Group ID Lists” on Page 52) can have only one priority ID, and the ID assigned that priority in List 1 has the highest pri- ority of all. To assign a priority to an ID, press PROG. Enter the de- sired ID number (list number and location number), then press PRIORITY (H/S). P appears. To turn priority ID scanning on or off, repeatedly press PRIORITY (H/S) during ID scanning or manual operation. PRI appears when priority scanning is turned on. Note: Priority ID scanning does not operate when prior- ity IDs are locked out. See “Locking Out Talk Group IDs” on Page 50. SCANNING TYPE I AND HYBRID TRUNKED SYSTEMS Your PRO-94 is preset to scan Type II system IDs. When you scan trunked frequencies, each Type II user ID you see appears as an even number without a dash (example 2160). Your PRO-94 can also scan Type I trunked systems. Each Type I ID appears as a three- or four-digit number, followed by a hyphen, followed by a one- or two-digit number (example 200-14). If you notice a mix of odd- and even-user IDs (exam- ples 6477, 2160, 6481, 6144, and 1167), then you are probably monitoring either a Type I or hybrid (a combi- nation of Type I and Type II user IDs) system with the S-Bit function turned off (see “Types of Trunking Sys- tems” on Page 41 and “Turning the Status Bit Ignore (S-bit) On or Off” on Page 47). 20-524.fm Page 55 Tuesday, August 31, 1999 3:55 PM
56 Subfleet information is included with the frequency list for a Type I system. To enter the provided map, see “Programming a Fleet Map” on Page 60. Note: Review the content of website www.trunkscan- ner.com to locate suitable fleet map information. If you do not already know the size codes used, you will have to guess. Since you do not have to figure out all the blocks at one time, this is not as hard as it might seem. Select a size code for a block, then press SRC. Now listen to the communications. If you decide you are receiving most of the replies to the conversations, then you have probably selected the right size code and can programming the next block of the map. There are 16 preset fleet maps to choose from, and it is best to start with these when setting up a Type I or hy- brid trunk scanning bank. If none of the following preset fleet maps allow you to follow complete conversations, then you probably need to program your own fleet map (see “Programming a Fleet Map” on Page 60). 20-524.fm Page 56 Tuesday, August 31, 1999 3:55 PM
57 E1P1 E1P2 E1P3 BlockSize Code BlockSize Code BlockSize Code 0S110S40S4 1S111S41S4 2S112S42S4 3S113S43S4 4S114S44S4 5S115S45S4 6S116S46S12 7 S11 7 S4 7 (S12) E1P4 E1P5 E1P6 BlockSize Code BlockSize Code BlockSize Code 0S120S40S3 1(S12)1S41S10 2S42S122S4 3S43(S12)3S4 4S44S44S12 5S45S45(S12) 6S46S46S12 7S47S47(S12) E1P7 E1P8 E1P9 BlockSize Code BlockSize Code BlockSize Code 0S100S10S4 1S101S11S4 2S112S22S0 3S43S23S0 4S44S34S0 5S45S35S0 20-524.fm Page 57 Tuesday, August 31, 1999 3:55 PM
58 6S46S46S0 7S47S47S0 E1P10 E1P11 E1P12 BlockSize Code BlockSize Code BlockSize Code 0S00S40S0 1S01S01S0 2S02S02S0 3S03S03S0 4S04S04S0 5S05S05S0 6S46S06S0 7S47S07S4 E1P13 E1P14 E1P15 BlockSize Code BlockSize Code BlockSize Code 0S30S40S4 1S31S31S4 2S112S102S4 3S43S43S11 4S44S44S11 5S05S45S0 6S06S126S12 7 S0 7 (S12) 7 (S12) 20-524.fm Page 58 Tuesday, August 31, 1999 3:55 PM
59 Selecting a Preset Fleet Map 1. Set the scanner for conventional scanning and press PROG then TRUNK to select the bank to store the fleet map. A previously programmed trunked frequency appears. 2. Press a number key to select the bank to store the fleet map. 3. Repeatedly press V or W to select E1, then press E. 4. Press DATA (ALT). 5. Repeatedly press V or W to select the name of the desired map (example E1P7). The prepro- grammed fleet map appears. 6. Press E (SVC), then press SRC (LIMIT). The scan- ner then searches for transmissions using the pre- set map you chose. Note: When the scanner searches for transmissions, you see Type I fleet and subfleet IDs such as 100-12, 100-9, 000-12, or 400-8. How do you know if the preset map you selected is cor- rect? Listen to find out if you are following complete conversations. If not, try another preset map.E1P16 BlockSize Code 0S3 1S10 2S10 3S11 4S0 5S10 6S12 7 (S12) 20-524.fm Page 59 Tuesday, August 31, 1999 3:55 PM
60 Programming a Fleet Map 1. Set the scanner for conventional scanning. Press PROG, then press TRUNK. 2. Press the number key of the bank where you want to store the fleet map. 3. Repeatedly press V or W until E1 appears, then press E. A trunked frequency you previously pro- grammed appears. 4. Press DATA. A preprogrammed fleet map appears. 5. Repeatedly press V or W until USr appears. Then press E. 6. Press DATA. 7. Repeatedly press V or W to select the size code for the first block, then press E. The next available block appears. 8. Repeat Step 7 until you have selected a size code for each desired block. 9. Press SRC (LIMIT). The scanner exits the trunking programming mode, tunes the data channel, then searches using the map you programmed. Note: If you select size code S-12, S-13, or S-14, these restrictions apply: • S-12 can only be assigned to Blocks 0, 2, 4, or 6 • S-13 can only be assigned to Blocks 0 and 4 • S-14 can only be assigned to Block 0 Since these size codes require multiple blocks, you will be prompted for the next available block when you pro- gram a fleet map. For example, if you assign Block 0 as S-12, the scanner prompts you for b2, the next block available, instead of b1. If you assign Block 0 as S-14, you would not see another prompt because S-14 uses all available blocks. Size Code Block 20-524.fm Page 60 Tuesday, August 31, 1999 3:55 PM