Setting the Squelch

For trunked reception, a good setting for the SQUELCH control is in the center of the range with the red marker pointing up. See the illustration.

If set too high (CCW) in some cases it could prevent your scanner from locking to the control channel reliably. 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.

❖TRUNKED SEARCH lets you hear all system talkgroup activity (unit-to-unit I-Calls may be received as well). This is the best way to get started.

❖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.

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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.

1.Press SCAN, and select the bank(s) you wish to receive, just as you select banks in conventional scanning.

2.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.

3.Press SRCH to begin searching and receiving. You will hear talkgroups and see them on the screen.

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Uniden BC780XLT manual Receiving Trunked Systems, Trunked Search
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BC780XLT specifications

The Uniden BC780XLT is a versatile and popular scanner that has made a name for itself among scanning enthusiasts and professionals alike. Released in the early 2000s, this model is known for its extensive feature set, allowing users to monitor a wide range of frequencies and communications.

One of the primary features of the BC780XLT is its capability to scan multiple frequency bands, including VHF, UHF, and 700/800 MHz frequencies. This makes it an ideal choice for monitoring public safety communications, utility services, and various other two-way radio frequencies. The scanner operates in an impressive frequency range of 25 MHz to 1.3 GHz, allowing users to enjoy a broad spectrum of signals.

The BC780XLT features TrunkTracker technology, which enables it to follow trunked radio systems. This is crucial for monitoring communications from agencies that operate on these complex frequency systems, like police and fire departments. The scanner can decode both Motorola and EDACS trunked systems, providing extensive coverage of public safety communications.

User-friendly controls and advanced features make the BC780XLT accessible for both beginners and experienced users. The numeric keypad allows for quick entry of frequencies, while the large LCD display provides easy visibility of channel information, including frequency and mode. The 10-channel pre-programmed memory allows users to store their favorite frequencies and easily scan between them.

In addition to its scanning capabilities, the BC780XLT also supports close call technology. This feature allows the scanner to automatically detect nearby signals, instantly alerting users to any active frequencies in their vicinity. This is particularly useful for users in urban areas, where multiple frequencies may be in use simultaneously.

The BC780XLT also has a robust battery-saving feature, making it an excellent option for those who need to scan on the go. This functionality, coupled with its ability to operate on AC or DC power, adds to its versatility, ensuring uninterrupted scanning during extended use or in field operations.

In conclusion, the Uniden BC780XLT Scanner stands out for its comprehensive feature set, including TrunkTracker technology, extensive frequency coverage, and user-friendly design. Whether for hobbyists, emergency responders, or professionals needing reliable communication, the BC780XLT continues to be a valuable tool in the world of scanning. Its enduring popularity speaks to its performance and adaptability in a rapidly evolving technological landscape.
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