Casio 2172 manual

2172-1 Module No. 2172 GETTING ACQUAINTED Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to carefully read this manual and keep it on hand for later reference when necessary. About this manual • Button operations are indicated using the letters shown in the illustration. • Each section of [...]

2172-2 5 63 0 20 00 0 15 1 4. Press A twice to exit the setting screen. • The day of the week is automatically displayed in accordance with the date (year, month, and day) settings. • The year can be set in the range of 2000 to 2039. • The watch ’ s built-in full automatic calendar automatically makes allowances for different month lengths [...]

2172-3 Surface Depth = 1.0m/4ft. 1 minute 30 seconds 1 minute 5 seconds 2 minutes 50 seconds Submerged On the Surface Valid Dive 1 minute 30 seconds Valid Dive Understanding the Diving Mode Screen • The Surface screen appears while you are on the surface, while the Submerged screen appears while you are submerged. • The dive time value shows th[...]

2172-4 To delete log data Holding down A for about two seconds in the Recall Mode or Dive Profile Mode deletes all the log data and dive profile data for the currently displayed record. • Deleting log data while a surface interval timing operation is in progress stops the surface interval timing operation. Using Log Data with Dive Tables ■ Make[...]

2172-5 Figure 1: Tissue Nitrogen Uptake Graph Saturation Value Halftime (Saturation) Nitrogen level Half the time it takes to achieve maximum saturation. Time Figure 2: Tissue Nitrogen Elimination Graph Saturation half value Half the time it takes to achieve elimination of nitrogen. Saturation Value Halftime (Saturation) Nitrogen level Time Saturat[...]

2172-6 As can be expected according to the nitrogen uptake characteristics illustrated in Figure 1, the left side of the graph climbs steeply when submersing, with the upward slope flattening out as you move to the right. Conversely, the left side of the graph when surfacing drops steeply and flattens out as you move to the right, as indicated by t[...]

2172-7 Repeat Diving and the Nitrogen Graph • The boundary shown here is an example intended for reference purposes only. Repeat diving causes nitrogen to build up in slow tissue. Even if each dive is relatively shallow, repeat diving over a number of days can cause safety problems due to build up of nitrogen in the body. Slow tissue in particula[...]

2172-8 BACKLIGHT The backlight uses an EL (electro- luminescent) panel that causes the entire display to glow for easy reading in the dark. The watch ’ s auto light switch automatically turns on the backlight when you angle the watch towards your face. • The auto light switch must be turned on (indicated by the auto light switch on indicator) f[...]

2172-9 REFERENCE This section contains more detailed and technical information about watch operation. It also contains important precautions and notes about the various features and functions of this watch. Auto Return Features • If you leave a setting screen (one with flashing digits or other settings) on the display for two or three minutes wit[...]

2172-10 Warning! • The settings made by a proper automatic or manual 0 . 0 l ( 0 F ) reset are based on the actual temperature and other conditions under which you are diving at that time, and so they are more accurate. • The default zero depth pressure values is based on standard diving conditions that do not take into account actual diving co[...]

2172-11 Backlight Precautions • The electro-luminescent panel that provides illumination loses power after very long use. • The illumination provided by the backlight may be hard to see when viewed under direct sunlight. • The watch will emit an audible sound whenever the display is illuminated. It does not indicate malfunction of the watch. [...]