What should the Stimulus Display setting in General Preferences on the Unity system be?
For the Display Mode, Transfer Mode is defaulted for Linear prescriptions and Output SPL(1/3 octave) for DSL-IO and NAL-NL1. Source: E-mail Rob Ryman (Siemens) 28.10.03 to EB If you find that the Unity system does not start/complete curves when prescribing/verifying moderate-high power aids then you may need to increase the Max Output Level to 140 dB (default is 120 dB for safety).