It allows the user to calibrate the meter without going back to the service centre.
regards, Alan Chan >Sory to bother again.I just opened the baterry >door to see what to buy for a spare and noticed >on the top of the compartment is a small dial >with numbers on both sides and a dial in the >centre with a small scre driver type slot.Can >any one tell me what this is for and should i >be concerned with its use? _________________________________________________________________ Join the world’s largest e-mail service with MSN Hotmail. http://www.hotmail.com - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .