AIPS HELP file for GRON in 31DEC18
As of Mon Mar 19 22:06:51 2018
GRON: Verb to turn on graphic channel(s)
GRCHAN 1.0 8.0 Graphics channel
The desired channels may be given instead as an
immediate argument in BINARY code to GRON. Example:
GRON(13) will turn on graphics channels 1, 3, and 4.
Use: Turn on (enable) one or more specified TV graphics channels .
Does not affect status either on or off of channels not
Note that, if GRON is used in a FOR or WHILE loop or in an
IF-THEN-ELSE construct, then the immediate argument is required.
Otherwise, some item necessary to the loop/construct will be
taken as the immediate argument.
Adverbs: GRON takes an immediate arguement specifiying in BINARY code
which channels to turn on. E.g. GRON(43) enables graphics
channels 1, 2, 4, and 6 (values 1 + 2 + 8 + 32 = 43).
GRCHAN......Graphic(s) channel. Only used if immediate argument is
omitted. If the resulting channel number is 0, nothing