Although some apps restrict use of SCPI when they are running, looks to me like the PS app does not. I was able to send a SCPI command from Test Flow even while the B2912A (all I had handy in this series) was running. So I'd suggest issuing whatever SCPI command you need to set the output Z.
Although some apps restrict use of SCPI when they are running, looks to me like the PS app does not. I was able to send a SCPI command from Test Flow even while the B2912A (all I had handy in this series) was running. So I'd suggest issuing whatever SCPI command you need to set the output Z.