Philips V24CT User's Reference Manual page 198

Realtime Vital Signs / Blood Recordings
Depending on the number of parameters being monitored, a vital signs /
blood recording may take up to 15 seconds to complete. The recording
speed is set by the system, and cannot be adjusted.
Note—
monitor is turned off, a vital signs recording will be generated within the
30 seconds after the monitor is turned back on. If vital signs / blood
recordings are configured on when the system clock is changed, a
recording will be generated immediately. Subsequent recordings will be
generated based on the configuration choices.
6-26 Recording Functions
If vitals signs / blood recordings are configured on when the