Radio
RSS allows multiple radios to be connected, controlled and shared. Each radio is connected through a unique USB port on the Raspberry Pi. One rig can be assigned to each account. Another account can share the same radio, but the connection is slightly different. One RigPi can be linked to another RigPi.
There are two ways to share a radio in use in another account.
1.Open a new browser window and sign in using the radio-controlling account's username and password. The keyer and rotor assigned to the main account are available in newly opened browsers connected to the same account. See Account 3, above.
Note there are two connections, long and short, listed for each radio in R Port. The long form is best since it does not change when you reboot. You can't use the long form and short form at the same time for different accounts or programs or they will conflict.
2.Instead of a physical radio and USB port as with option 1, above, (ttyUSBn), in Settings>Basic or Advanced Radio for the second account, select Hamlib and Net rigctl as the manufacturer and radio. In R Port, select the port number for the account's Radio you want to use. Port numbers start with 4532 for Radio 1, and go up 2 for each Radio number. Radio 2 will be 4534, etc. So if account 2 wants to use the radio already connected in account 1, select 4534 from the port number list. You can also see the rigctl port to use in SETTINGS>System>Rigctl Port for the account connected to the physical radio. When you select Net rigctl, the R Port list shows the valid ports for all connected radios.
The radio in Account 1 must be turned on and connected. See figure above. Account 2 taps into the control data stream used for Account 1. Account 2 can control the radio, but it can't turn the Account 1 radio on or off. You can add additional accounts for other users so each user has his/her own settings and log in credentials..
Use option 2, above, if you wish to use Hamlib in another program, and connect RSS to the same radio. Fldigi and WSJT-X, provided with RSS, can be the primary rig control program. Once Fldigi/WSJT-X are running and in control of the radio, connect RSS to Hamlib Net rigctl with the same port, usually 4532, used by the other program.
You can do it the other way around with RSS being the radio-controlling program. Set up Fldigi or WSJT-X so they follow RSS by using Hamlib Net rigctl in the other program with the port number as above.
Rotors
Each account has a unique rotor. If you have more than one rotor but only one radio, you can set up a second account using Option 2, above, and assign the second rotor to that account. Rotors use a port one above the radio port. If the radio port is 4532, the rotor port is 4533.
Keyers
RSS supports the internal RigPi Keyer, keying through radio CAT commands, and external K1EL WinKeyers.
Only one account can use RigPi Keyer. If you log into that account with a second or third browser (option 1, above), the assigned keyer will do fine. If you have an account for a second or third radio, use CW keying via CAT, or use an external WinKeyer connected through a USB port.
CAT CW Keying does not echo characters back to RSS so the Transmitted CW box in the Keyer window will remain blank. Not all prosign CW characters are accepted by CAT Keying.