Reported: OpsLog shows STANDBY on a PowerGenius XL that is operating, and
pressing the button 'puts it in Operate' — because it was already there.
The amplifier's status frame has no operate= field. The direct GSCP
client only looked for one, so Operate stayed at its zero value until the
operator pressed the button: at startup OpsLog was not reading the state
wrongly, it was not reading it at all.
The live state is in the frame under 'state', and the FlexRadio side of
this same amplifier has been reading it that way all along — anything but
STANDBY/OFF means the amp is in line, with IDLE meaning in line but not
keyed. The GSCP client now does the same when no operate= is present.
An unknown state leaves the flag alone rather than guessing: claiming
STANDBY on an amp that is in line is precisely the error being fixed, and
it invites the operator to switch on what is already on.
