± 60 seconds per month (deviation at room temperature and power is OFF). Variations in operating conditions and battery life can cause clock deviations from -380 to +90 seconds per month.

For systems where this level of precision is insufficient, the user should monitor and make adjustments when required.

Backup clock data uses a supercapacitor (electric double-layer capacitor) for power. When the voltage from the supercapacitor is low, clock data is lost^*1 when this product is turned OFF.

The average period for backup is as follows:

Initial: Approximately 100 days

After 5 years: Approximately 30 days (when used with an ambient temperature of 25 °C [77 °F])

*1 On the Standard Box and the Power Box, if clock data is lost, a clock data error message appears when starting up this product. When this happens, leave this product ON for at least 5 minutes, and then set the clock again. Refer to your screen editing software manual on how to set up the clock.

By connecting the optional backup battery (Model Number PFXZCBBT1) for clock data backup, you can maintain a backup period of 5 years or more (when used with an ambient temperature of 25 °C [77 °F]). However, as the battery expires after 5 years, we recommend regularly changing the battery every 5 years.