Casio 5054 48

Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes illumination to turn on.

•Wear the watch on the outside of your wrist.

Parallel to	More than
ground	40°

E-47

Contents

Page Getting Acquainted Keep the watch exposed to bright light Battery charges in the light Charge LEVEL Battery discharges in the dark Dis charge If the display of the watch is blank About This Manual Contents Procedure Lookup Page General Guide Page Radio-controlledAtomic Timekeeping Current Time Setting Page MAD PAR ROM BER STO Page Time Calibration Signal Reception Important Page Home City Code Transmitter Frequency LON, PAR, BER, ATH LIS, MAD, ROM, STO, MOW Approximate Reception Ranges U.K. and German Signals U.S. Signal Japan Signals China Signal Page About Auto Receive Your Home City Auto Receive Start Times Standard Time Standard Time and Note Receiving READY WORK Receive successful Receive failed GET ERR Page Signal Reception Troubleshooting Problem Probable Cause What you should do Page World Time Right Dial Hand Page To toggle a city code time between Standard Time and Daylight Saving Time DST Swapping your Home City and World Time City Stopwatch Elapsed Time Start Stop Re-start Split Time Countdown Timer Page 0FF Page Alarms Page Alarm Operation Page Page Illumination About the Auto Light Switch Page Warning Power Supply CHG Battery Power Indicator and Power Recovery Mode indicator Page RECOV Charging Precautions Charging Guide Exposure Level (Brightness) Approximate Exposure Time Recovery Times Exposure Level Approximate Exposure Time (Brightness) Timekeeping Read This Before You Set the Time and Date Screen: To do this: Do this: Page 12-hourand 24-hourtimekeeping Daylight Saving Time (DST) Page Dual Time Page Hand Home Position Correction H-SET Correct dial hand positions Correct hour and minute hand Reference Power Saving Function Hands and Display Operation in Dark Page Radio-controlledAtomic Timekeeping Precautions Transmitters Auto Return Features High-SpeedMovement Initial Screens Timekeeping Illumination Precautions Page Specifications World Time: Stopwatch: Countdown Timer: Measuring unit: 1 second Alarms: Illumination: Power Supply: Operating Precautions Water Resistance Page Band Temperature Impact Magnetism Electrostatic Charge Chemicals Storage Resin Components Page Natural Leather and Imitation Leather Bands Metal Components Bacteria and Odor Resistant Band Display User Maintenance Caring for Your Watch Dangers of Poor Watch Care Battery City Code Table