From what I understand Sherlock sends midi NRPN messages on channel 16(BF)
CC63 and CC62 NRPN MSB and LSB
and CC06 and CC26 NRPN value(MSB/LSB values)
Each page sends a combination of NRPN MSB (63) and LSB (62) followed by Data Entry (06 & 26) to send the value.