Cub Crafters CC18-180 Pilot Operating Handbook page 437

CUB CRAFTERS SECTION 9.14
CC18-180 SUPPLEMENTS-GTN 635
9.14.5.3 HSI AND EHSI OPERATION
If an HSI is used to display navigation data from the GTN
the pilot should rotate the course pointer as prompted on
the GTN.
If an EHSI is used to display navigation data from the GTN
the course pointer may autoslew to the correct course
when using GPS navigation. When using VLOC navigation
the course pointer will not autoslew and must be rotated to
the correct course by the pilot. For detailed information
about the functionality of the EHSI system, refer to the FAA
approved Flight Manual or Flight Manual Supplement for
that system.
CAUTION
The pilot must verify the active course and waypoint for
each flight plan leg. The pilot must verify proper course
selection each time the CDI source is changed from GPS
to VLOC.
9.14.5.4 TELEPHONE & SMS TEXT (OPTIONAL)
Audio from the GSR 56 Iridium datalink is routed through
your aircraft's audio panel Audio from the GSR 56 must be
deactivated (turned off) unless making a phone call. The
primary indication of an incoming phone call or SMS text
are the visual indications on the GTN.
Issued: 02/05/13 REPORT TC10000AFM
Date of revision: N/A Page number 9-14-21