USING AC ADAPTER (OPTION)

Using the optional dedicated AC adapter (model:AC-230CZ) for the CITIZEN blood pressure monitor (CH-437C) allows you to measure your blood pressure without having to worry about the amount of remaining charge in the batteries.)

Warning

The CH-437C and AC-230CZ should be used indoors in

dry location.

1 Insert the AC adapter plug into the socket on the blood pressure monitor.

AC adapter socket

AC adapter plug

2 Plug the AC adapter into a mains power outlet.

•If you plan to use the AC adapter for an extended period of time, remove the batteries. If the batteries are left in the compartment, electrolyte may leak from the batteries and cause a fault in the blood pressure monitor.

•When only batteries are used to supply power to the monitor, the AC adapter should be unplugged from the monitor. Leaving the AC adapter plugged into the blood pressure monitor could cause a malfunction.

•Plug the AC adaptor into the socket, where you can easily plug off soon and safely in times of trouble.

The dedicated AC adapter (model:AC-230CZ) for the CH-437C is optional. The AC adapter is available from retailers stocking CITIZEN digital blood pressure monitors.

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Citizen REF CH-437C instruction manual Using AC Adapter Option
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CH-437C, REF CH-437C specifications

The Citizen REF CH-437C is a remarkable timepiece that embodies the precision and innovation synonymous with the Citizen brand. This model is part of Citizen's extensive collection, showcasing a blend of elegance, functionality, and advanced technology.

At the heart of the CH-437C lies Citizen's renowned Eco-Drive technology. This innovative system harnesses light—whether natural or artificial—to power the watch, eliminating the need for battery replacements. This eco-friendly feature aligns with modern sustainability goals and ensures that the watch will continue to function as long as it is exposed to light, making it a reliable companion for its wearer.

The CH-437C is designed with a polished stainless steel case that not only offers durability but also enhances its aesthetic appeal. The case typically has dimensions that provide a comfortable fit on the wrist while maintaining a striking presence. The elegant design is complemented by a mineral crystal, which adds scratch resistance, ensuring the watch remains in pristine condition even in demanding environments.

One of the standout characteristics of the Citizen REF CH-437C is its multifunctional dial. It often features a combination of analog and digital displays, allowing for easy readability of time and other functions. This model may also incorporate a date function, helping users to keep track of their schedule seamlessly. The stylish watch hands are designed for clarity and precision, ensuring that time can be read at a glance.

The CH-437C is not just about looks; its technology includes water resistance, making it suitable for daily wear, whether at the office, during outdoor activities, or while participating in water sports. This versatility is a key selling point for the model, as it caters to a wide audience with diverse lifestyles.

Another notable feature is its luminous hands and markers, enhancing visibility in low-light conditions. This practicality is coupled with a variety of strap options, including leather and stainless steel, allowing wearers to personalize their watch according to their style preferences.

In summary, the Citizen REF CH-437C stands out for its Eco-Drive technology, durable materials, and multifunctional capabilities. With its perfect balance between aesthetic appeal and practical functionality, it reinforces Citizen's commitment to quality and innovation in the world of horology. Whether for professional use or everyday wear, the CH-437C is a testament to Citizen's legacy of excellence.
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