This function requests the clock and base house code settings of the CP290. The command format is as follows:

}ID4

No data needs to be supplied with the command.

The Comm Engine will return the following: {XX }ID4 {Y 22:58 FRI A

Where:

XX = 0 if there was no error.
XX = 1 unsupported or illegal command.
XX = 5 command can't be executed because engine is offline.
XX = 11 if the CP290 is not responding.

Y = 0 if the status of the CP290 indicates no data.
Y = 1 if the status of the CP290 indicates that it has been programmed.

Time, weekday and base house code is attached to the end of this command.

Example: Request CP290 time and base house code. Command:
rc = CLWritePipe( '}ID4' )

Reply:
{0 }ID4 {1 23:58 FRI A

CP290 time is 23:58 (11:58pm), the weekday is
set to Friday and the base house code is A.