Keypad update and real time clock.


bill_lombardo_bill
 

Help me to understand.
After upgrading the keypad to firmware 4.15 and after favourably
checking Status "All system go", in a mount 400GTO purchased in October
2000, the Time, Date,GMT,LST and Photo Timer no more update and no more
advance as before (red lights blink but do not change digits in
Time/LST).
Could it be Real Time Clock Battery exhausted or could it be for some
other reason I can't understand?
Do you think I can still make use of the mount or I have to change RTC
chip?

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