Real Time Clock (Rtc) - Pro-face PFXGP4502WADW Hardware Manual

Real Time Clock (RTC)

Overview
GP-4402WW/GP-4502WW includes a RTC to provide system date and time information, and to
support related functions requiring a real-time clock. To keep time continuity when power is off, a
non-rechargeable but replaceable battery is provided with GP-4402WW/GP-4502WW.
NOTE: After power is disconnected, the GP-4402WW/GP-4502WW cannot retain the time when
you change the RTC battery.
GP-4402WW/GP-4502WW Hardware Manual
47