User manual CASIO PV-S450 HARDWARE

[. . . ] This condition is temporary and operation should resume under normal temperatures. Avoid dropping the PV Unit and otherwise subjecting it to strong impact. Besides creating the risk of scratching the touch screen, an object coming into contact with the screen can cause power to turn on and run down the batteries. Do not use a pen, pencil, or other sharp object to touch or press the display. [. . . ] Replace the batteries immediately after this message appears: Batteries are getting weak!· If you continue using the PV Unit after the low battery warning message appears, power may suddenly turn off or the contrast adjustment screen may suddenly appear. Manganese batteries provide very short battery life. Battery Precautions Incorrectly using batteries can cause them to burst or leak, possibly damaging the interior of the PV Unit. · · Be sure to use alkaline batteries only to power this PV Unit. Be sure that the positive (+) side of each battery is facing in the correct directions. · Never mix batteries of different types. 17 · Never mix old batteries and new ones. · Do not expose batteries to direct heat, let them become shorted, or try to take them apart. · Never leave dead batteries in the battery compartment. · · · Remove the batteries if you do not plan to use the PV Unit for a long time. Replace batteries at least once every year, no matter how much you use the PV Unit during that period. If the low battery warning appears or if nothing at all appears on the display, replace batteries as soon as possible. Never try to recharge the batteries that come with the PV Unit. · · Should a battery leak, clean out the battery compartment of the PV Unit immediately, taking care to avoid letting battery fluid come into direct contact with your skin. Keep batteries out of the reach of small children. · · Frequent data synchronization using the PC sync for Windows application that comes with the PV Unit shortens battery life. The batteries that come with this unit discharge slightly during shipment and storage. Because of this, they may require replacement sooner than the normal expected battery life. 18 Chapter 1 To replace the batteries Getting Acquainted Important!· Always make sure the battery switch is in the NORMAL OPERATION position at all times, except when replacing batteries. Remove both of the old batteries and replace them with new ones, referring to the procedure on pages 1 through 3. To turn power on and off 1. Touch anywhere on the PV Unit screen or press the Action control to turn on power. · You can disable screen tap power on (so power can be turned on only by pressing the Action control) using the procedure below. To turn the screen tap power on feature on and off 1. While the Mode Menu or Action Menu is on the display, tap the Menu Bar icon to display the menu bar, and then tap Option ­ Power setting. 2. Tap the check box to turn the screen tap power on feature on (checked) or off (unchecked). · When this feature is on, you can turn on power by touching the PV Unit screen or pressing the Action control. · Replacing batteries, resetting the PV Unit or pressing the P button turns on the screen tap power on feature. 19 Auto Power Off The Auto Power Off function automatically turns off power whenever you do not perform any operation for a specified period. You can specify 1 minute, 3 minutes, or 6 minutes before Auto Power Off is triggered (page 166). Use the procedure described under "To turn power on and off" above to turn power back on. Using the Backlight Tapping the Light icon beneath the PV Unit screen illuminates the display screen for about 15 seconds for easy viewing, even in the dark. · · Tapping the Light icon while the backlight is on turns it off. [. . . ] Tap the " and ` buttons on the right side of the display to change menu pages and display the icon of the mode you want. Next, tap the icon of the mode you want to enter. To enter a mode using the Action Menu 1. Press the Action control to turn on PV Unit power and display the Action Menu. Scroll bar 2. If the mode you want is not on the screen, scroll the menu up and down. [. . . ]