Take a Break of 10-15 Minutes Every Hour

Using this product for long periods of time may have detrimental health effects on the eyes or hands.

Do Not Turn the Volume Up To Loud When Using Head- phones

Listening at high volumes that overstimulate the ear for long periods of time may result in loss of hearing.

Do Not Connect a Telephone Line, or a Network Cable Other Than the One Specified, into the LAN Port

If the LAN port is connected to a network such as the ones listed right, a fire or electric shock may result.

Networks other than 1000BASE-T, 100BASE-TX or 10BASE-T

Phone lines (IP phone (Internet Protocol Telephone), Tele- phone lines, internal phone lines (on-premise switches), digital public phones, etc.)

Do Not Use With Exposing the Skin To This Product For a Long Period of Time

Using this product with exposing the skin to the heat source of this product or AC adaptor for a long period of time can cause a low-temperature burn.

<Only for model with modem>

Use the Modem with a Regular Telephone Line Connection to an internal phone line (on-premise switches) of a company or business office, etc. or to a digital public phone or use in a country or area not supported by the computer may result in a fire or electric shocks.

Do not place the computer near a television or radio receiver. Keep the computer away from magnets. Data stored on the hard disk may be lost.

Precautions (Battery Pack)

Do Not Use With Any Other Product

The battery pack is rechargeable and was intended for the specified product. If it is used with a product other than the one for which it was designed, electrolyte leakage, generation of heat, ignition or rupture may result.

Do Not Charge the Battery Using Methods Other Than Those Specified

If the battery is not charged using one of the specified methods, electrolyte leakage, generation of heat, ignition or rupture may result.

Do Not Throw the Battery Pack Into a Fire or Expose It to Excessive Heat

Generation of heat, ignition or rupture may result.

Avoid Extreme Heat (Near the Fire, In Direct Sunlight, for Example)

Electrolyte leakage, generation of heat, ignition or rupture may result.

Do Not Insert Sharp Objects Into the Battery Pack, Expose It to Bumps or Shocks, Disassemble, or Modify It Electrolyte leakage, generation of heat, ignition or rupture may result.

If this product is subjected to a strong impact, stop using it im- mediately.

Do Not Short the Positive (+) and Negative (-) Contacts

Generation of heat, ignition or rupture may result.

Do not place the battery pack together with articles such as necklaces or hairpins when carrying or storing.

Do Not Use This Product with a Battery Pack Other Than the One Specified

Use only the specified battery pack (CF-VZSU46AU) with your product. Use of battery packs other than those manufactured and supplied by Panasonic may present a safety hazard (gen- eration of heat, ignition or rupture).

When the battery pack has become degraded, replace it with a new one

Continued use of a damaged battery pack may result in heat generation, ignition or battery rupture.

Do not touch the terminals on the battery pack. The battery pack may no longer function properly if the contacts are dirty or damaged.

Do not expose the battery pack to water, or allow it to be- come wet.

If the battery pack will not be used for a long period of time (a month or more), charge or discharge (use) the battery pack until the remaining battery level becomes 30% to 40% and store it in a cool, dry place.

This computer prevents overcharging of the battery by re- charging only when the remaining power is less than approx. 95% of capacity.

The battery pack is not charged when the computer is first purchased. Be sure to charge it before using it for the first time. When the AC adaptor is connected to the computer, charging begins automatically.

Should the battery leak and the fluid get into your eyes, do not rub your eyes. Immediately flush your eyes with clear water and see a doctor for medical treatment as soon as possible.

CAUTION:

Risk of Explosion if Battery is replaced by an Incorrect Type. Dispose of Used Batteries According to the Instructions.

58-E-1

NOTE

The battery pack may become warm during recharging or normal use. This is completely normal.

Recharging will not commence if internal temperature of the battery pack is outside of the allowable temperature range (0 °C to 50 °C {32°F to 122 °F}).

( Reference Manual “Battery Power”) Once the allow- able range requirement is satisfied, charging begins auto- matically. Note that the recharging time varies based on the usage conditions. (Recharging takes longer than usual when the temperature is

10 °C {50 °F} or below.)

If the temperature is low, the operating time is shortened. Only use the computer within the allowable temperature range.

This computer has a high temperature mode function that prevents the degradation of the battery in high temperature

environments. ( Reference Manual “Battery Power”) A level corresponding to a 100% charge for high temperature mode is approximately equivalent to an 80% charge level for normal temperature mode.

The battery pack is a consumable item. If the amount of time the computer can be run by using a particular battery pack becomes dramatically shorter and repeated recharging does not restore its performance, the battery pack should be replaced with a new one.

When transporting a spare battery inside a package, brief- case, etc., it is recommended that it be placed in a plastic bag so that its contacts are protected.

Always power off the computer when it is not in use. Leaving the computer on when the AC adaptor is not connected will exhaust the remaining battery capacity.

Getting Started

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Panasonic CF-31 Precautions Battery Pack, Take a Break of 10-15 Minutes Every Hour, Do Not Use With Any Other Product

CF-31 specifications

The Panasonic CF-31, part of the Toughbook line, is a highly durable and versatile laptop designed for professionals who operate in demanding environments. Built to withstand the rigors of outdoor work, it combines robust construction with advanced technology to deliver reliable performance.

One of the standout features of the CF-31 is its rugged design. The laptop meets military standards (MIL-STD-810G) for toughness, making it resistant to drops, shocks, vibrations, and even extreme temperatures. It is also water-resistant and dustproof, further enhancing its usability in harsh conditions. With a magnesium alloy case and shock-mounted hard drive, the CF-31 is built to endure challenging workspaces.

The CF-31 is powered by Intel’s powerful processors, which ensure brisk performance for multitasking and running demanding applications. Depending on the specific configuration, it can come with Intel Core i5 or i7 processors that provide a combination of processing speed and energy efficiency. With options for solid-state drives (SSDs), the laptop enhances data access speeds, contributing to faster boot times and application launches.

Regarding display technology, the Panasonic CF-31 features a 13.1-inch sunlight-readable touchscreen, making it suitable for outdoor use where visibility can be a challenge. The screen boasts a high brightness level, allowing users to view content clearly even in direct sunlight. The multi-touch functionality adds to its ease of use, catering to those who prefer a more intuitive interface.

Connectivity is another strong point of the CF-31, equipped with a range of ports such as USB 3.0, Ethernet, HDMI, and even legacy ports to support various peripherals and devices. It also offers optional features like 4G LTE for mobile connectivity in the field, ensuring that users remain connected no matter where their work takes them.

The keyboard is designed for use in challenging conditions, featuring a spill-resistant layout with an adjustable backlight for low-light environments. This makes it suitable for professionals such as field engineers, first responders, and military personnel who require dependable technology in their day-to-day tasks.

Battery life is impressive, with options for extended batteries that can last up to 18 hours, enabling all-day use without the need for frequent recharging. This feature is essential for users in the field who may not have easy access to power sources.

Overall, the Panasonic CF-31 embodies a blend of ruggedness, processing power, and user-friendly features, making it a top choice for professionals needing a reliable laptop in demanding conditions.