Radio Shack XL-260 Installation Order, Before YOU Make the Connections, Routing Cables and Wires

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Warning: The amplifier gets very hot while it is on. Do not touch the amplifier or place flammable objects near it.

Preparing the Mounting Area

Before you mount the amplifier, make sure you have these materials.

an adapter harness

additional wire

shielded audio cables

16- or 18-gauge marked or color-coded wires

Then confirm that the amplifier fits in your ve- hicle’s available mounting area. This amplifi- er requires a 51/2-inch high by 131/2-inch wide by 171/2-inch deep (13.9 34.3 43.1 cm) mounting area with adequate ventilation space.

Routing Cables and Wires

Avoid routing the connection cables and any speaker wires near moving parts or sharp edges. You can usually route wires and ca- bles along the wiring channel beneath the vehicle’s door facings by carefully removing the molding that holds the carpet in place. Af- ter routing the cables and wires, replace the molding.

INSTALLATION ORDER

For trouble-free installation, simply follow the sections in this owner’s manual in order. First make all the connections by temporarily con- necting the amplifier to:

1Ground and power

2Your auto sound system’s outputs

3Your speakers

Then test the connections. When you verify that everything works as expected, discon- nect the amplifier, mount it in your vehicle, and reconnect it.

Caution: If you do not make the connections in the order shown, damage to the amplifier and your auto sound system is possible if any wire connections are made incorrectly.

Note: For easier installation, mark each wire you plan to connect with the name of the ter- minal you will connect it to.

BEFORE YOU MAKE THE CONNECTIONS

The supplied connection cables include all the lead wires you need to connect the am- plifier to ground, power, and your existing auto sound system.

Important:

Do not cut these wires. If you cut any wire, you cannot obtain a refund or exchange on this product. However, RadioShack will provide warranty ser- vice if you cut a wire and find the prod- uct is defective.

If the connectors on your vehicle’s auto sound system are not compatible with the amplifier’s connectors, you might need an adapter harness to complete the connections. RadioShack stores sell adapter harnesses for most vehicles.

You might need additional wire, depending on your individual auto sound system, to complete the connections. Your local Ra- dioShack store carries a full line of wire and wire management accessories.

Preparation

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Contents XL-260 High Power 2-Channel Bridgeable Amplifier Contents 14K Gold-Plated Noise-Isolated Low-Lev FeaturesFCC Wants YOU to Know Preparation Before YOU Begin the InstallationSupplied Hardware Choosing a Mounting LocationRouting Cables and Wires Installation OrderBefore YOU Make the Connections Preparing the Mounting AreaFm Page 6 Tuesday, May 9, 2000 1002 AM Connecting Ground and SWITCHED/PRIMARY Power LOW-LEVEL Inputs Connecting InputsUsing either a floating or common ground connection HIGH-LEVEL Speaker Wire InputsCommon Ground Connection Four Speaker OutputsFloating Ground Connection Two Speaker Outputs Preparing the Speaker Wires Connecting SpeakersConnecting Two Speakers Unbridged Connection Connecting Four SpeakersConnecting Two Speakers Bridged Connection Connecting Two Unbridged Speakers and One Bridged Subwoofer Testing Connections Completing the InstallationCle’s negative battery terminal. Then Mounting the AmplifierCompleting the Installation Turning on Amplifier Adjusting the Audio LevelOperation Adjusting Frequency Crossover Symptom Possible Cause Suggestion TroubleshootingTroubleshooting Replacing a Fuse CareReplacing the SFE-Type Fuse Replacing the Blade-Type FusesSpecifications Limited One-Year Warranty

XL-260 specifications

The Radio Shack XL-260 was a pioneering model in the compact scientific calculator market introduced in the early 1980s. This device was particularly well-regarded for its unique blend of functionality, portability, and affordability, making it a popular choice among students and professionals alike.

One of the main features of the XL-260 was its classic LCD display, which offered a clear and easy-to-read output. The display was capable of showing up to 8 digits and allowed for straightforward viewing of calculations. This was particularly beneficial for users who needed to perform complex mathematical computations without experiencing eye strain.

The XL-260 was equipped with a wide range of mathematical functions that catered to different user needs. Basic arithmetic operations such as addition, subtraction, multiplication, and division were always accessible. Additionally, it featured advanced functions including square roots, percentages, and memory storage, allowing users to save and recall values quickly. This made it an excellent tool for engineering students and professionals who often needed to perform numerous calculations.

One of the standout technologies of the XL-260 was its use of solar power, which complemented its battery operation. This hybrid power source ensured that users could rely on the calculator for extended periods without the constant need for battery replacements. The solar panel, situated atop the device, captured light to power the electronic components, showcasing a forward-thinking approach to energy efficiency for consumer electronics during that era.

Another characteristic of the XL-260 was its user-friendly layout. The calculator had well-defined buttons that provided tactile feedback, making it easy to input data accurately. The keys were designed to be durable and responsive, reducing the potential for user error during fast-paced calculations. The compact design and lightweight profile added to its appeal, allowing users to easily carry it in their bags or even pockets.

Overall, the Radio Shack XL-260 represented an important era in the evolution of personal calculators. Its combination of essential features, user-oriented design, and innovative power solutions made it a staple for many during its time. Though the landscape of technology has evolved significantly since its release, the XL-260 remains a nostalgic symbol of early digital calculation devices that laid the groundwork for future advancements in scientific computing.