act xalarm
Activates whatever external alarm (if any) is connected to the ThermoFlex using
the provided 2 pin interface.
Normal operation can see the external alarm used in error conditions, at the
beginning of an unload (to signal a job is done) and in future possibly in a
load situation where the operators attention might be required.
When the external alarm is used is determined by the xamode paramter in the
auto-loader nvs.
ThermoFlex
act xamode on|off