Set local time


 I have a program that issues a :SLhh:mm:ss# command to a GTOCP3 AP 900 mount and the time I am giving the mount is not being set.  A response of "1" does come back from the mount.  I can set the time using the keypad.  Any ideas?
Example: the mount's time is 13:22:45 I set it to 13:38:45 and get a 1 response but the time does not change.
My command :SL13:38:45#
Response: 1


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