visir_old_spc_wcal_ech(7) on Linux
The text e978a74f885e, as Debian 9 (Stretch) shipped it.
Old DRS detector: Spectroscopic wavelength calibration recipe in Echelle
Flags it lists
-
--auto_bpm -
--hori_arc -
--orderoffset -
--plot -
--rl -
--rr -
--slit_skew -
--spectrum_skew -
--vert_arc