Battery Replacement

Batteries used

Type

Model

Quantity

Use

Lithium battery

CR2032

2

Unit operation

and backlighting

 

 

 

•Be sure to write down any important information stored in the memory before replacing the batteries.

Precautions

Since improper use of the batteries may cause leakage or explosion, strictly observe the following instructions:

•If fluid from a leaking battery accidentally gets into your eyes, it may result in serious injury. Should this occur, flush your eyes with clean water and consult a physician immediately.

•Should fluid from a leaking battery come into contact with your skin or clothes, immediately wash with clean water.

•If the Organizer will not be used for an extended period of time, to avoid damaging the Organizer remove batteries and store in a safe place.

•Do not leave exhausted batteries inside the Organizer.

•Do not use different types of batteries or partially used batteries.

•Insert the battery with its positive side (+) correctly orientated.

•Never throw batteries into a fire because they might explode.

•Keep batteries out of reach of children.

•When batteries become near exhaustion, remove them from the

Organizer immediately to avoid battery leakage and corrosion inside the Organizer.

Because the batteries in the Organizer were installed at the factory, they may become exhausted before the specified expiration time is reached.

When the B Symbol Appears

When “B” is displayed, immediately replace the operation battery with a new one. Follow the steps on page 32.

The operation battery holder is indicated as "For OPERATION" in the battery compartment.

If the battery level is low, the alarm may not sound, or similarly the Backlight may not function or remain on for less than the set interval. Continued use of the Organizer with low battery can alter or clear the memory contents. Memory contents may be lost if the battery is improperly replaced or if the following instructions are disregarded.

Note:

•After the battery replacement, check also that the Backlight functions properly.

Caution:

•PC Link may not be available when the battery level is low.

•Expense Report (Summary Report) may not be available when the battery level is low.

•Under the low battery condition, new data entry and editing of existing data may not be performed in some modes. Also Clock and other settings may not be made.

When the Backlight Won’t Function

When the Backlight cannot be turned on (except when “B” is displayed or the Organizer is in the PC Link mode), replace the battery for the backlight ("For BACKLIGHT & OPERATION"). Follow the steps on page 32.

The backlight and operation battery holder is indicated as "For BACKLIGHT & OPERATION" in the battery compartment.

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Sharp OZ-290 operation manual Battery Replacement, When the B Symbol Appears, When the Backlight Won’t Function
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OZ-290 specifications

The Sharp OZ-290, a remarkable piece of technology from the early 1990s, represents a significant advancement in portable computing and personal organization. As a member of the Zaurus series, it is particularly known for its blend of functionality and compact design, making it an ideal companion for professionals and tech enthusiasts of its era.

One standout feature of the OZ-290 is its integrated LCD touchscreen display, offering a resolution that was impressive for its time. This display enabled users to interact directly with the device, facilitating a more intuitive navigation experience compared to traditional button interfaces. The touchscreen allowed for easy access to applications, enabling users to efficiently manage their tasks, appointments, and contacts.

The OZ-290 was equipped with a stylus, allowing for precision input and enhancing the usability of its various applications. This feature was particularly beneficial for note-taking and sketching, accommodating both personal and professional uses. Users could seamlessly annotate documents or create custom notes, enhancing productivity on the go.

In terms of storage, the OZ-290 featured a solid internal memory capacity, which could be expanded with the use of optional memory cards. This expandability ensured that users had ample space for documents, files, and applications, making it suitable for a wide range of professional tasks, from simple note-taking to managing complex projects.

Connectivity was another highlight of the Sharp OZ-290. It supported infrared communication, allowing users to transmit data wirelessly to other devices, such as printers or other Zaurus models. This capability was a forward-thinking feature that showcased Sharp's commitment to fostering connectivity in a wireless era.

The device ran on a custom version of the Linux operating system, providing a stable platform for the various applications available at the time. Users could run personal information management software, basic word processing, and various utility applications, making it a versatile tool that suited the needs of business professionals and students alike.

Additionally, the durable build quality of the OZ-290 ensured it could withstand the rigors of daily use, making it an excellent investment for those needing reliable technology in their lives. With its combination of user-friendly design, an expansive array of features, and impressive connectivity options, the Sharp OZ-290 remains a nostalgic reminder of early portable computing and represents a key step in the evolution of handheld devices.
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