* check THS for compatibility with CAL variables
* check DPOAE spectral display when NIC=2
==================== DONE ==========================
--- Feb-08 ---
* Fix File/New function
* Add Thev_load after CAL append in Probe test
* Fix ~bbn stimulus
--- Nov-07 ---
* compensate for AD/DA sensitivity ratio in THL & THS files
--- Apr-01 ---
* check wa_devsel_byname
* facilitate SFOAE measurement
* add ramp to tboae2.asm
* clean up abscissa labels
* ramp tones
* restore screen when exiting DPOAE VIEW mode
* check what happens if GREG=0 (OK)
* make DPOAE the default for File/Open?
* Allow MaxFreqOct and MinFreqOct defaults to be set in config file.
* zero right channel before DPOAE check fit
* change background color of Print label (top line) to blue
