+-----------------------------------------------------------------------
| Running ${PKGSTEM} on OpenBSD
+-----------------------------------------------------------------------
bktr(4) support (amd64/i386/powerpc only) may be controlled through the
following environment variables:
BKTR_DEV={0|1|2|3|4}: Selects device input (tuner, camera, ...)
BKTR_FORMAT={1|2|3|4|5|6}:
1 PAL
2 NTSC
3 SECAM
4 PALN
5 PALM
6 NTSCJ
BKTR_FREQUENCY=xxx.yy: Sets frequency in MHz