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Annotation of researchv10dc/man/manx/vsw.1, revision 1.1.1.1

1.1       root        1: .TH VSW 1
                      2: .CT 1 prog_other
                      3: .SH NAME
                      4: vsw \- video switcher
                      5: .SH SYNOPSIS
                      6: .B vsw
                      7: [
                      8: .I option
                      9: ] [
                     10: .I iopair ...
                     11: ]
                     12: .SH DESCRIPTION
                     13: .I Vsw
                     14: controls Dynair (System 10 and Dynasty) video switches.
                     15: There is a composite video switch and a 3 channel (rgb) switch.
                     16: Each switch has ten or more inputs and outputs.
                     17: Inputs may be attached to one or more outputs (fanout).
                     18: Outputs may not be attached to more than one input (no mixing).
                     19: .PP
                     20: The optional
                     21: .I iopair
                     22: arguments are two letters
                     23: .I io
                     24: which mean attach input letter
                     25: .I i
                     26: to output channel letter
                     27: .IR o .
                     28: The options are
                     29: .TP
                     30: .B -c
                     31: Use the composite video switch.
                     32: Exactly one of
                     33: .B -c
                     34: and
                     35: .B -r
                     36: must be specified.
                     37: .PD 0
                     38: .TP
                     39: .B -d
                     40: Describe the input and output channels.
                     41: .TP
                     42: .B -i
                     43: Initialize the switch to a default setting.
                     44: .TP
                     45: .B -p
                     46: Print the current switch configuration suitable for processing with
                     47: .IR vsw .
                     48: .TP
                     49: .B -r
                     50: Use the rgb video switch.
                     51: Exactly one of
                     52: .B -c
                     53: and
                     54: .B -r
                     55: must be specified.
                     56: .TP
                     57: .B -v
                     58: Be more verbose.
                     59: .PD
                     60: .PP
                     61: By convention, video switch access to monitors is for
                     62: `INPUT B',
                     63: which is normally selected by a button on the front.
                     64: The Barco monitor is an exception; use
                     65: `COMP VIDEO 1'.
                     66: .SH EXAMPLES
                     67: .TP
                     68: .B x=`vsw -cp`
                     69: Save the current configuration.
                     70: .TP
                     71: .B vsw $x
                     72: Restore the configuration.
                     73: .SH SEE ALSO
                     74: .IR 2500 (1)
                     75: .SH BUGS
                     76: For timing reasons,
                     77: .I vsw
                     78: only works from fast or unloaded machines.
                     79: .br
                     80: The input/output names are a little terse.
                     81: .br
                     82: To power-cycle the rgb switch, look for the blue ribbon
                     83: cable that daisy chains the three boxes.
                     84: The box at
                     85: one end of the chain has a coax cable connected to `comm';
                     86: start power cycling at the other end of the daisy chain.
                     87: .br
                     88: The switch may need to be reset after prolonged power outages
                     89: (in this case,
                     90: .I vsw
                     91: will complain) by
                     92: .br
                     93: .B "cd /n/bowell/usr/src/cmd/vsw; mk init.vsw"

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