User manual UNIDEN BC 780XLT

[. . . ] ww w 500-Channel Trunk Tracking Scanner BC780XLT TRUNK TRACKER III Introduction The BC780XLT is a state-of-the-art radio with TrunkTrackingTM and automatic scanning capabilities. It can store frequencies such as police, fire/emergency, marine, railroad, air, amateur, and other communications into 10 banks of 50 channels each. With the new SmartScannerTM feature, you can also automatically program your scanner by downloading directly from our Uniden/Bearcat national frequency database via a PC or external modem. Use your new scanner to monitor: · Police and Fire Departments (including rescue and paramedics) · VHF High Band, UHF, 800/900MHz Trunked Public Safety Systems · Trunking for Motorola, EDACS and LTR Systems · NOAA Weather Broadcasts · Business/Industrial Radio · Utilities · Marine and Amateur (ham radio) Bands · Air Band · And much more. . . [. . . ] If set too low (CW) it will slightly delay finding the control channel. The best setting is the same as for conventional reception, and is not critical. Receiving Trunked Systems When you have properly programmed all the frequencies for a trunked system, you can receive the system several different ways. You will find that Search, Hold, Lockout, Scan and Manual are all similar to conventional scanning. O O O O O TRUNKED SEARCH lets you hear all system talkgroup activity (unit-to-unit I-Calls may be received as well). ID HOLD works with Search mode to let you quickly freeze reception on an interesting transmission. Or you can manually specify a talkgroup with DIRECT ENTRY ID HOLD. ID LOCKOUT works with Search to exclude talkgroups that you don't want to hear. ID SCAN lets you receive only those talkgroups that you store in Scan Lists. MANUAL lets to selectively listen to a talkgroup in your Scan Lists When receiving EDACS systems, remember that Uniden's AFS talkgroups give you powerful flexibility. In a few keystrokes, you can specify a single talkgroup, a fleet, or an entire agency in all the above modes. Read the section "EDACS Reception" to understand how this works. Trunked Search Once you have programmed all the frequencies for a trunked system, SEARCH will let you immediately start hearing transmissions. It is suggested you try SEARCH mode first. Press SCAN, and select the bank(s) you wish to receive, just as you select banks in conventional scanning. Press TRUNK to enable trunked reception. The radio will seek and acquire the trunked system control channel. The scanner will now be in MONITOR mode. You will hear the control channel and see active talkgroups on the screen. You will not hear the voice transmissions in MONITOR mode.  Hint: MONITOR mode is an excellent way to observe system activity and determine which talkgroups are most active. Locked-out IDs display during MONITOR mode. Press SRCH to begin searching and receiving. You will hear talkgroups and see them on the screen. 39 Talkgroups display differently in Motorola, EDACS and LTR systems. You should read the appropriate parts of this guide to understand the formats. The bottom line of the display indicates the Bank and the type of trunked system you are monitoring. [. . . ] SIZE CODE 3 and SIZE CODE 4 are probably the most common, followed by SIZE CODE 10, SIZE CODE 11, and SIZE CODE 12. 79 Fleet Map Size Codes Size 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Fleets Subfleets IDs Blocks Used + 1 1 1 1 1 1 1 1 1 1 1 2 4 8 Reserves block for Type II IDs 128 16 8 1 64 32 32 16 8 4 2 1 1 1 4 8 8 16 4 8 4 4 4 8 16 16 16 16 16 64 128 512 32 32 64 128 256 256 256 1024 2048 4096 Size Code Restrictions If you select size code 12, 13, or 14, there are some restrictions as to which blocks can be used for these codes. · SIZE CODE 12 can only be assigned to Blocks 0, 2, 4, or 6. · SIZE CODE 13 can only be assigned to Blocks 0 and 4. · SIZE CODE 14 can only be assigned to Block 0. [. . . ]