To do so you must have the SQ Mode in the System Menu set to Tone SQ. You can also program a subaudible tone easily by pressing the E key in Scan Hold mode after programming a frequency. This will bring up the Tone Data menu without having to navigate the Menu. By doing this you will receive all transmissions on the frequency, regardless of the subaudible tone, except the one which you have locked. Any transmissions with that tone will not be received.

4:BEEP ALERT

You can set a Beep Alert on a per-channel basis to alert you when specific frequencies are active. For example, you may wish to be alerted anytime a mutual aid fire frequency is active. With Beep Alert, you will hear three beeps at the start of each transmission that you have flagged as such. You will also notice that as you scroll pass the flagged channel(s), you will hear three beeps.

5:ATTENUATOR

The BC250D comes with an RF Attenuation feature. If you are near an unusually strong signal source, the signal may overload the scanner. The scanner may stop repeatedly on that signal and miss other transmissions. The RF Attenuation feature works in all modes and attenuates (reduces) the incoming signal strength to prevent stronger signals from overloading the scanner.

6:STEPS

Your BC250D is programmed with default step sizes for each frequency range (see page 1). Steps are important if you are interested in using the VFO to tune off from a frequency programmed into memory or if you wish to program a frequency that the default step size will not accept. For example, in VHF High Band mode, the default step size between 148 and 162 MHz is 5 KHz. However, the FCC has recently instituted 7.5 KHz channel intervals. If you wish to enter 155.4075 into the scanner without changing the default step, the scanner will change the programmed frequency to 155.4100. Use the Menu to change the default step size to 7.5 KHz and then you will be able to enter 155.4075.

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Uniden BC250D manual 4BEEP Alert
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BC250D specifications

The Uniden BC250D is a versatile and powerful handheld scanner that caters enthusiastically to the needs of both amateur radio enthusiasts and professionals alike. With its compact design and extensive feature set, the BC250D stands out in the crowded field of communication devices.

One of its significant features is the 200 channels it can store, making it suitable for various scanning tasks. Users can easily program frequencies across public service and amateur bands, including police, fire, and emergency medical services. The BC250D also supports a full range of frequencies from 24 MHz to 1300 MHz, accommodating diverse communication needs.

The scanner’s advanced trunking capabilities allow users to access trunked radio systems, which are frequently used by public safety agencies and commercial entities. It supports both Motorola and EDACS trunking protocols, making it adaptable to numerous scanning scenarios.

Another key characteristic of the BC250D is its customizable scanning options. Users can set priorities for specific channels, enabling them to focus on the most relevant communications. The scanner also features a "Close Call" technology that detects nearby signals automatically, providing real-time monitoring without pre-programmed frequency setups. This feature is particularly beneficial for catching local transmissions that might not be otherwise listed.

The interface of the BC250D is user-friendly, designed to allow easier navigation through its extensive features. The display is crisp and vibrant, presenting information clearly even in low-light conditions. Additionally, the scanner supports alpha tagging, allowing users to assign names to channels for easier identification.

Powering the Uniden BC250D is an internal rechargeable lithium-ion battery, which ensures longer use without the need for frequent battery changes. Plus, with an included belt clip, it’s easy to carry around, making it perfect for users who are always on the go.

In terms of connectivity, the BC250D's built-in computer interface allows for firmware updates and programming through a PC, enhancing its functionality over time.

Overall, the Uniden BC250D combines advanced scanning technology with user-friendly features, solidifying its position as a reliable scanner for a wide range of applications. Whether for hobbyists or professional users, this scanner delivers performance, flexibility, and ease of use.
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