chantab(4)chantab(4)
NAME
chantab - Channel-to-monitor database
SYNOPSIS
/var/X11/Xvc/chantab
DESCRIPTION
chantab describes the monitor type that is connected to a
server's video channel. The server uses this information
with a description of the monitor in the moninfo database to
determine whether the connected monitor has the capability
to run given video formats.
The format of each entry in the chantab file consists of the
channel number and monitor type name separated by a space.
Channel Designator
The channel designator must be the first item on a line and
is composed of three pieces:
server.screen.channel
The server and screen numbers take their normal values as
referred to by X. The channel number is as treated by
XSGIvc and labeled on hardware. The three values are
separated by a period (.) character.
Monitor Type Name
The name you specify as the monitor must be a monitor type
name given in the moninfo database. If you supply a name
that is not known, the server uses the type "default".
The monitor type "default" is reserved and is not a genuine
monitor type name. If you use default as the monitor type
name, the server uses the default values provided in the
moninfo database in responses to users. It is likely this
information will not be correct, thus it is recommended you
supply the correct monitor type name.
Some servers have the capability to query the monitor type
from the monitor itself. If the monitor type name you
supply is preceded by a question mark (?), the server will
query the monitor type from the monitor. If the query is
successful, the server will use the monitor type reported by
the monitor instead of the monitor type you supply. If the
query fails, the server uses the monitor type you supply.
Queries are performed only during server initialization.
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chantab(4)chantab(4)
Some monitors can report unique serial numbers that will aid
in identification and correlation to a specific channel. You
specify the serial number as a string enclosed in
parentheses on the same line as the monitor type.
Comments
Any line whose first character is the pound sign (#) will be
treated as a comment.
EXAMPLE
###############################
#
# chantab
#
###############################
# always Sony 1302 connected
0.0.0: sony-1302
# usually the Mitsubishi, but query first.
# Server 0, screen 0, channel 1
0.0.1: ?Mitsubishi
# the Hitachi, permanent
0.0.2: Hitachi
# another Hitachi, but query
0.1.0: ?Hitachi
# Hitachi
# Server 0, screen 1, channel 1
0.1.1: Hitachi
# Martin
# Server 0, screen 1, channel 4
# Reports serial number 322332
0.1.4: (322332)Martin
SEE ALSO
XSGIvc, XSGIvcQueryMonitorName, moninfo
Page 2 (printed 7/20/06)
