Instruction/ maintenance manual of the product 3421 Casio
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Operation Guide 3229/3421 MA1301-EA © 2013 CASIO COMPUTER CO., LTD. E-1 About This Manual • Depending on the model of your watch, display text appears either as dark figures on a light background or light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background.
Operation Guide 3229/3421 E-10 Mode indicator Alarm on indicator Day Month Minutes Hour Hourly time signal on indicator Alarm You can set an alarm with hour, minutes, month, and day. When the alarm is on, the alarm sounds for 20 seconds at the preset time.
Operation Guide 3229/3421 E-20 Illumination: EL (electro-luminescent) backlight Battery: One lithium battery (Type: CR2016) Approximately 2 years on type CR2016 (Assuming 3.5 seconds light operation and 20 seconds alarm operation per day) Note: Frequent use of the backlight shortens the battery life noted above.
An important point after buying a device Casio 3421 (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 3421 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 3421 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Casio 3421 you will learn all the available features of the product, as well as information on its operation. The information that you get Casio 3421 will certainly help you make a decision on the purchase.
If you already are a holder of Casio 3421, 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 3421.
However, one of the most important roles played by the user manual is to help in solving problems with Casio 3421. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Casio 3421 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
