Question about Canon P23-DH Calculator
I'm trying to set the date as per the instruction booklet that came with the calculator. But it won't keep the date, it resets it when I try and get out of that function. It keeps the time, but not the date.
Ok, have your calculator set on "on" press the "time/clock" button once, when date appears on calculator press the "M+=" and hold until first number on date flashes, enter the date you want, when done switch your calculator from "on" to "print". date should be saved. do the same for time.
Posted on Feb 05, 2008
I do not have a manual, but reading what everyone else did I figured it out.
Turn on calculator; push the calendar/time button once; press and hold the M+= button until the first number flashes; set the date and the cursor will go back to the first number flashing; now press the M+= button once and none of the numbers should be flashing. The date is now set.
Press the Calendar/Time button again and you will now see the time; press and hold the M+= button until the first number is flashing; set the time w/ hours and minutes and the cursor will go back to the first number; to change AM and PM press the button below the M+= button w/ the #diamond on it; then press the M+= button and the seconds will begin. The time is now set.
Hit CE/C to back out and then go back in, again, to see if it set correctly.
Posted on Oct 02, 2009
Just had the same problem...This what you do...press clock/date key (2nd key from left) will take you to the date mode. Hold 3 secs than press the M+= button on the far right (3rd key down from the top) until 1st digit flashes proceed to put in correct date. Than hit caculator button far left (last button-red) Than repeat to set the mode to time and repeat proceedure. Don't forget to set am/pm button. It is just below clock and date button far right ( 4th key down)....Good Luck and hope this helps. Dawn
Posted on Dec 13, 2007
None of the above solutions seem to explain how to switch the time setting between AM and PM. I finally found out (the hard way...by hitting every key!) you must hit the key that has the number symbol (#) and the diamond symbol on it. That will switch between AM and PM. On my calculator, this key is located just 1 key below the M+= key.
Posted on Sep 14, 2009
I was having this same issue. The standard instructions wouldn't update the date. It would automatically go back to the default date.
RESET the calculator! There a little pinhole on the bottom of the calculator, press a pen or paperclip to reset.
After the reset the normal instructions for setting date and time worked.
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Posted on Jan 02, 2017
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