Unpacking & Pre-installation

Instant-On- Applying Ground to the ACTIVEZ terminal will cause the siren to operate in Day power mode. When either the Police or Emergency Medical Siren Tones are selected (SW1 set to 0 or 2), applying Ground to both the ACTIVEZ and the NUIT terminal will switch to Night power mode. Pressing the microphone Push-to-Talk (PTT) button on models 4013 and 4025 will activate the Public Address function.

Instant Public Address - The Public Address function will override the siren function when the microphone Push-to-Talk button is pressed (Models 4013 and 4025 only).

Automatic Short Circuit Protection- The siren will sense a short circuit on the speaker terminals and automatically go to standby until the fault is removed. Once the fault is removed the siren will return to normal operation.

Noise Canceling Microphone - A Plug-in noise canceling microphone (Models 4013 and 4025 only) is provided for easy service or replacement.

After unpacking your 4000 Series Siren, carefully inspect the unit and associated parts for any damage that may have occurred in transit. Report any damage to the carrier immediately.

Installation & Mounting

Figure 1, Light Bar Mounting

The 4000 Series of Sirens is designed to be mounted inside a light bar or inside the vehicle. Do not mount the siren inside the engine compartment. Mounting hardware is supplied (see Fig. 2) for mounting the amplifier inside the light bar.

NOTE: Setups and adjustments will be made in subsequent steps that may require access to the siren. Plan the installation and wiring accordingly.

4000 specifications

The Bosch Appliances 4000 series is an embodiment of innovation, efficiency, and sleek design, tailored for modern households that seek both functionality and aesthetic appeal. Bosch, a revered name in the appliance industry, has crafted the 4000 series to cater to diverse culinary and household needs, ensuring that every appliance offers optimal performance while maintaining energy efficiency.

One of the standout features of the Bosch 4000 series is its cutting-edge technology. The series includes dishwashers equipped with the patented CrystalDry technology, which significantly enhances drying performance by utilizing a natural mineral that absorbs moisture and releases heat. This innovation ensures that dishes come out beautifully dry, eliminating the hassle of towel-drying.

The cooking appliances within the Bosch 4000 series, including wall ovens and cooktops, are designed with precision in mind. Featuring a European convection system, these ovens ensure even baking results every time. The cooktops boast powerful induction technology, providing rapid heating and precise temperature control for an unparalleled cooking experience. Additionally, the cooktops are equipped with a sleek, easy-to-clean glass surface that complements any kitchen design.

In terms of refrigeration, the Bosch 4000 series offers models with a VitaFresh system designed to maintain optimal humidity levels, keeping fruits and vegetables fresh for longer. The refrigeration units are also equipped with an energy-efficient compressor, minimizing energy consumption while maximizing storage space.

Bosch has paid meticulous attention to the aesthetics of the 4000 series, ensuring that each appliance not only performs well but also looks great. With a modern stainless-steel finish and seamless integration options, these appliances enhance any kitchen's look and feel.

Noise reduction is another hallmark of the Bosch 4000 series, with many appliances featuring an ultra-quiet operation mode. This is especially beneficial in open-concept kitchens, allowing for peaceful cooking and entertaining without the distraction of loud appliance sounds.

The Bosch 4000 series also emphasizes user-friendliness, with intuitive control panels and smartphone connectivity options available in select models. This allows users to monitor and control their appliances remotely, adding convenience to the modern lifestyle.

In summary, the Bosch Appliances 4000 series represents the perfect blend of technology, efficiency, and style, making it an excellent choice for discerning homeowners looking to elevate their kitchen experience.