Casio Pro Trek Battery Replace
Summer time again, and I am about to head to Banff for some extreme biking riding. I remember that I have a watch Casio Pro Trek model PRT 40 that I brought in 1998 and I want to use it because the watch has: 1. digit compass 2. Altimeter 3. Thermometer It will be cool to see how elavation I ride up the on the Rocky Montian. However, I needed to replace the battery. I rememer that there are 2 batteries in my watch. I "assumed" that one of the battery (which has a red cover) is for maintaining the data while the other one is for display, so I decided just to get buy one for now, and I will get new battery when I go back to HK (i.e. it is very cheap to get battery in HK's Women Market) Tonight, I went to SuperStore, brought a button battery model 395 and I try to replace the battery. I remembered that once the battery is replace, I have to do a special procedue to restart the watch by contacting the negative of the battery to somewhere inside the watch. Damn, I forgot whic...
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