Command: 
:RR sxxx.xxxx# 
:RD sxxx.xxxx# 
Response: 1

This command selects the tracking rate in the RA axis (RR) or DEC axis (RD) to xxx.xxxx. 
The rate added to the standard sidereal rate and can be positive or negative.

The average lunar rate in RA is ~  :RR-0.0366#
            solar rate in Ra is  ~ :RR-0.00274#

