Casio PV-S250 User Manual

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Before using the PV-S250/PV-S450

Use the following procedure to load batteries before using it for the first time.

1. Slide the battery switch on the back of the PV Unit to the REPLACE

BATTERIES position.

Battery switch

2. While pressing at the point marked (A) in the illustration, slide the battery

compartment cover in the direction indicated by the arrow to remove it.

for the first time...

REPLACE BATTERIES

NORMAL OPERATION

(A)

REPLACE BATTERIES

NORMAL OPERATION

Page 1: For The First Time
Before using the PV-S250/PV-S450 for the first time… Use the following procedure to load batteries before using it for the first time. 1. Slide the battery switch on the back of the PV Unit to the REPLACE BATTERIES position. REPLACE BATTERIES NORMAL OPERATION Battery switch 2.
Page 2 3. Load two new batteries, making sure that their positive (+) and negative (–) ends are facing in the proper directions. REPLACE BATTERIES NORMAL OPERATION 4. Taking care not to damage its tabs, replace the battery compartment cover back onto the PV Unit. 5.
Page 3: About The El Backlight
7. Open the cover. • If the above does not appear on the display, remove the batteries and then reload them into the PV Unit, making sure you follow proper procedures. If this does not solve the problem, refer to “Troubleshooting” on page 188.
Page 4 The following shows how backlight use affects battery life under controlled test conditions*. Backlight Operation Battery Life 3 minutes per hour Approximately 80 hours 15 minutes per hour Approximately 40 hours * Test Conditions • “Battery Life” is the number of hours before battery failure when the unit is left on (5 minutes of a processing operation and 55 minutes of continuous display only (no processing operation) per hour in the Contacts Mode, plus the backlight operation described below).

Pv-s450