Front Panel
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- Uniden America Corporation 3001 Gateway Dr. Suite 130 Inving, TX 75063 817-858-3300 Fax: 817-858-3333 Uniden Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: January 21, 2019 SUBJECT: Letter of Authorization To Whom It May Concern.
Contains the LCD, keys and speaker. Some of the keys have two functions, their normal function and a alternate function depending on which screen is being displayed (which mode the radio is in). | Fig 1 |
Built on the same rugged chassis as other Uniden PC78s, the LTW is the night driver's radio of choice. Monitor CB and weather communication with seven NOAA channels and tone-based weather alerts. The S/RF/SWR meter, channel indicator and radio controls are backlit for convenient night use.
The knob also has a push button function whose function also depends on the mode of the radio. In most modes pressing the knob will change it's function to a Volume control. At other times it's equivalent to pressing Enter (PgmE). This later use allows you to both navigate through a menu and make selections using only the knob, very handy.
Top Panel
BNCf Antenna connecotr 3.5mm mono headphone jack Selection Knob-Button | Fig 7 Top |
Right Panel
USB Mini computer & Charging cable | Fig 8 Right Side |
Rear Panel
Battery CompartmentBattery Type switch(Alkaline or Ni-MH rechargeable) Belt Clip Label | Fig 6 Rear Panel |
Bottom Panel
The bottom has feet so that the radio will stand up.
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Function Menus
Note that the Func (Orange) key is a precursor key to the keys with an orange notation as shown in the below function table.
Function Table
| Func then | Menu |
| Hold | Close Call (Mode, Bands, Alert, Scan Hits, Set Delay, CTCSS/DECS Search, Review Lockouts, Exit) |
| Pri/1 | Priority (Off, DND, Scan, Plus, Exit) |
| Wx | Weather (Scan, Standby, Priority, Delay, Exit) |
| Svc | Service Search (1: Police, 2: Fire/Em, 3: Ham, 4:Marine, 5:Railroad, 6: Civil Air, 7:Mil Air, 8:CB, 9:FRS/GMRS/MURS, 0:Racing) Pressing any of the numbers 0 - 9) during Service Search will toggle Off or On that service. |
| Beep/7 | Toggle Key Beep On/Off |
| L/O | Toggle Keypad Lockout |
| PgmE | Scanning (Save Feq, Program Limits, Set Delay, CTCSS/DCS Search, Review Lockouts, Exit) |
| On/Off | Misc (Backlight, Contrast, Charge Time, Exit) |
| Scroll Button | Set Squelch by rotating Scroll knob |
Banks
The bank numbers at the bottom of the LCD screen can have two different meanings.
When in Service Scan (FuncSrch/Svc) the numbers show the type of service being looked for.
(1: Police, 2: Fire/Em, 3: Ham, 4:Marine, 5:Railroad, 6: Civil Air, 7:Mil Air, 8:CB, 9:FRS/GMRS/MURS, 0:Racing)
Pressing any of the numbers 0 - 9) during Service Search will toggle Off or On that service.
In most cases they refer to groups of 50 Channels. There's no requirement that a bank be inside any frequency range, modulation type &Etc. You can use they as you will. A common use is to put similar types of frequencies together, for example State VHF low band FM highway patrol, VHF & UHF FM sheriff and local police all in one bank. So if you're going to fill in the banks by the type of service then it would be a good idea to use the existing bank numbering, i.e. Bank1 for police, &Etc.
Power Up Options
To turn on: Press and keep down the On/Off button.
To turn off: Press and keep down the On/Off button.
Press and keep down 2 while powering up = Canadian Band Plan
Press and keep down
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29Hold while powering up = ResetAfter I reset the radio and power it on with an external antenna connected it goes directly to my local weather broadcast.
Computer
Installing the file BC125AT_SS_V1_03_00 loads the program but not the USB driver.
| The driver file BC125AT_CDC_XP.inf needs to be placed in the C:WINDOWSINF folder. | |
| Now when the radio is connected by USB cable the New Hardware Wizard finds the radio and installs the driver. | |
| In My ComputerPropertiesHardwareDevice Manager the BC125AT shows up with a COM port number 21 in my case. | |
| After starting the BC125AT SS program go to ToolsCOM port setting and use Auto Detect or manually set the COM port number. Auto worked for me. | |
| Here's the Bank 1 display after Reset & I've only entered a local 2 meter ham frequency. To get this this display use: ScannerRead from Scanner. |
Uniden Drivers