Setting the Base, Spacing Frequencies and Offset Channel for Motorola

VHF/UHF Trunked Systems

To properly track Motorola VHF and UHF trunked systems you must enter what is known as the base, the spacing frequencies and offset channels for each system.

To find these out, check the scanner.uniden.com or www.bearcat1.com/free.htm and other web sites and frequency resources.

To enter the Base, Spacing Frequencies and Offset Channel: (You can set up to three sets of these, but almost all systems only use one set)

1.Press MENU/BACK.

2.Select 2:SCAN OPTION / 2:TRUNK by rotating the VFO and pressing E.

3.Select the bank number by rotating the VFO and pressing E.

4.Select 1:TRUNK TYPE /1:ON / 4:TYPE2 UHF or

5:TYPE2 VHF by rotating the VFO and pressing E.

5.Select BASE CONFIG from 1 - 3 by rotating the VFO and pressing E.

6.Enter a new Base Frequency with the keypad.

7.Press E.

The display changes for entering the Spacing Frequency.

8.Enter a new Spacing Frequency with the keypad.

M

406.0000 ENTER FREQUENCY BASE FREQUENCY 1

M

50.0

ENTER FREQUENCY SPACE FREQUENCY1

Note: You can only enter within a range of 5-100 kHz, and 5 or 7.5 or 12.5 kHz multiples.

9.Press E.

The display changes for entering the Offset Channel.

10.Enter a new Offset Channel with the keypad. The Offset Channel for the first set should be CH380.

Note: You can only input within a range of 380-759.

M

CH 380 ENTER CHANNEL OFFSET CHANNEL1

11.Press E.

The display changes for entering the Base Frequency.

12.To exit from this mode, press MENU/BACK repeatedly.

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Uniden BC250D manual 50.0

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.