EazyLink Server, V4.8, protocol level 04
This request command will set the Z88 system clock to the specified date and time. The Z88 system call that performs this call takes 1-2 seconds to complete the task, so it is necessary to specifiy the date/time parameters a few seconds ahead if the remote computer is going to be precisely synchronized with the Z88.
An ESC "Y" is returned to the Client when the Z88 was successfully initialized with a new time. If the date/time parameters was defined in the correct format, an ESC "Z" is returned, indicating failure of setting the Z88 system clock.
...