Casio 2637 user manual

Summary of the content on the page No. 1

MO0306-EA
Operation Guide 2607 2637 2687
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
About This Manual
purchase, be sure to carefully read this manual and keep it on hand for later reference
• The operational procedures for Modules 2607, 2637 and 2687 are identical. All of
when necessary.
the illustrations in this manual show Module 2607.
• Button operations are indicated using the letters shown in the illustration.
Expose the wat

Summary of the content on the page No. 2

Operation Guide 2607 2637 2687 To perform manual time calibration signal reception To set the current time and date manually 1. Place the watch on a stable surface so its top (12 1. In the Timekeeping Mode, hold down A until the city City code o'clock side) is facing towards a window. code starts to flash, which indicates the setting screen. 2. In the Timekeeping Mode, hold down D for about two 2. Press A or C to move the flashing in the sequence seconds until the watch beeps. shown below to sel

Summary of the content on the page No. 3

Operation Guide 2607 2637 2687 Time Recorder The Time Recorder lets you store up to 30 records of the To turn the Hourly Time Signal on and off Time record number current time (month, day, hour, minutes, seconds, and 1. In the Alarm Mode, use D to select the Hourly Time DST on/off setting) with the touch of a button. One way Signal (SIG). you can use the Time Recorder is to record the start time 2. Press B to toggle it on (Hourly Time Signal on and the end time of a particular event. indicator d

Summary of the content on the page No. 4

Operation Guide 2607 2637 2687 To turn the auto light switch on and off Charge Times In any mode, hold down L for about two seconds to toggle the auto light switch on Exposing the watch to light for the periods shown below each day restores the power (auto light switch on indicator displayed) or off (auto light switch on indicator not used by the above operating conditions. displayed). Exposure Level (Brightness) Approximate • The auto light switch on indicator is on the display in all mod

Summary of the content on the page No. 5

Operation Guide 2607 2637 2687 • Check the following points whenever you experience problems with your watch. To turn Power Saving on and off 1. In the Timekeeping Mode, hold down A. This causes Problem Probable Cause What you should do the city code to flash, which indicates the setting Cannot perform • The watch is not in the Timekeeping Mode. • Enter the Timekeeping Mode screen. manual receive. • You do not select one of the following and try again. 2. Press A again. City Codes as your Home C