14. When the course deviation indicator (CDI) needle is centered using a VOR test signal (VOT), the omnibearing selector (OBS) and the TO/FROM indicator should read

To use the VOT service, tune in to the VOT frequency (108.0−117.95 MHz) on the VOR receiver. With the CDI centered, the OBS should read 0° with the TO/FROM indication showing FROM, or the OBS should read 180° with the TO/FROM indication showing TO.