Instruction/ maintenance manual of the product B640WB-1AEF Casio
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Operation Guide 3294 E-9 3. When the setting you want to change is fl ashing, press D to change it as described below. To change this setting Perform this button operation Seconds Press D to reset to 00 . Hour, Minutes, Year, Month, Day Press D to increase the setting.
Operation Guide 3294 E-19 To set the countdown start time In the Countdown Timer Mode, press 1. A . The hours digits of the countdown start time will start to fl ash, which indicates the setting screen. Press 2. C to move the fl ashing in the sequence shown below to select other settings.
Operation Guide 3294 E-26 Other: Backlight (light-emitting diode) Battery: One lithium battery (Type: CR2016) Approximately 3 years on type CR2016 (Assuming 3.5 seconds light operation and 20 seconds alarm operation per day) Frequent use of the backlight shortens the battery life noted above.
An important point after buying a device Casio B640WB-1AEF (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Casio B640WB-1AEF yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Casio B640WB-1AEF - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Casio B640WB-1AEF you will learn all the available features of the product, as well as information on its operation. The information that you get Casio B640WB-1AEF will certainly help you make a decision on the purchase.
If you already are a holder of Casio B640WB-1AEF, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Casio B640WB-1AEF.
However, one of the most important roles played by the user manual is to help in solving problems with Casio B640WB-1AEF. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Casio B640WB-1AEF along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
