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F/+MONTR1

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Personal collection » Acorn ADFS disks » Electron_User_Group » EUG_27.ADF
Filename: F/+MONTR1
Read OK:
File size: 09BF bytes
Load address: 3A204556
Exec address: 2E462E30
File contents
               BBC/ELK RGB MONITOR LEAD
              **************************
6PIN DIN PLUG (BBC/ELK End) to 3 x BNC PLUGS
********************************************

Pin out for 6 pin Din (See diagram) :

   1 : RED (Core)
   2 : GREEN (Core)
   3 : BLUE (Core)
   4 : Composite Sync
   5 : 0V (All screens)
   6 : +5V (Not Used)

 Ideally you want a length of cable with Red Green and Blue wires all
individually screened.Maplin does some suitable. Alternatively if you find
some cable with different coloured wires you could "label" them with
Red,Green and Blue PVC tape.So long as you know which one is which.

 Connect a BNC plug to each wire in turn at one end of the cable.Red core
to centre pin in one BNC plug,Red screen to plug shield in same plug and
so on.Thus ending up with 3 free ends (R,G,B).

 At the Din end its a bit more complicated and you haven't a lot of room
to move.Red Core goes to pin 1,Green Core goes to pin 2,Blue Core goes to
pin 3.Using some thin instrument wire or suitably insulated link wire link
pin 4 (Sync) to Green Core (Pin 2).Similarly link all three screens
together and connect to 0v (Pin 5).Pin 6 is not used in this instance.

  And that's all there is to it.Once it was all connected up,in my
instance  I had to play about with the screen width etc on the monitor to
centralise the picture.But a little fine tuning is no great problem is
it ? All I did was switch it on with the ELK connected and twiddle until I
was happy with the picture.

 If anybody's interested I've also got the info on how to make a VGA
lead for computers which can use that facility via a 15 pin HD D Plug.Just
contact me and I'll send a photocopy for the price of return postage.

JOHN CRANE 34 ST ANDREWS WALK,HARROGATE,NORTH YORKS,HG2 7RL (01423 885049)



                              SUPPLY ADDRESSES 
                              ~~~~~~~~~~~~~~~~" 
MAPLIN ELECTRONICS                               GREENWELD ELECTRONICS
PO BOX 3                                         27 PARK ROAD          
RAYLEIGH                                         SOUTHAMPTON          
ESSEX                                            SO1 3TB               
SS6 8LR                                          (01703 236363)          
(01702 554161)                                                        
                                                  

IF YOU SEND THE VGA LEAD INFO HERE I WILL TRY TO PUT IT INTO THE NEXT
EUG USING CAD+
00000000  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 42  |               B|
00000010  42 43 2f 45 4c 4b 20 52  47 42 20 4d 4f 4e 49 54  |BC/ELK RGB MONIT|
00000020  4f 52 20 4c 45 41 44 0d  20 20 20 20 20 20 20 20  |OR LEAD.        |
00000030  20 20 20 20 20 20 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |      **********|
00000040  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
00000050  0d 36 50 49 4e 20 44 49  4e 20 50 4c 55 47 20 28  |.6PIN DIN PLUG (|
00000060  42 42 43 2f 45 4c 4b 20  45 6e 64 29 20 74 6f 20  |BBC/ELK End) to |
00000070  33 20 78 20 42 4e 43 20  50 4c 55 47 53 0d 2a 2a  |3 x BNC PLUGS.**|
00000080  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
000000a0  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 0d 0d 50 69 6e 20  |**********..Pin |
000000b0  6f 75 74 20 66 6f 72 20  36 20 70 69 6e 20 44 69  |out for 6 pin Di|
000000c0  6e 20 28 53 65 65 20 64  69 61 67 72 61 6d 29 20  |n (See diagram) |
000000d0  3a 0d 0d 20 20 20 31 20  3a 20 52 45 44 20 28 43  |:..   1 : RED (C|
000000e0  6f 72 65 29 0d 20 20 20  32 20 3a 20 47 52 45 45  |ore).   2 : GREE|
000000f0  4e 20 28 43 6f 72 65 29  0d 20 20 20 33 20 3a 20  |N (Core).   3 : |
00000100  42 4c 55 45 20 28 43 6f  72 65 29 0d 20 20 20 34  |BLUE (Core).   4|
00000110  20 3a 20 43 6f 6d 70 6f  73 69 74 65 20 53 79 6e  | : Composite Syn|
00000120  63 0d 20 20 20 35 20 3a  20 30 56 20 28 41 6c 6c  |c.   5 : 0V (All|
00000130  20 73 63 72 65 65 6e 73  29 0d 20 20 20 36 20 3a  | screens).   6 :|
00000140  20 2b 35 56 20 28 4e 6f  74 20 55 73 65 64 29 0d  | +5V (Not Used).|
00000150  0d 20 49 64 65 61 6c 6c  79 1a 20 79 6f 75 1a 20  |. Ideally. you. |
00000160  77 61 6e 74 1a 20 61 1a  20 6c 65 6e 67 74 68 1a  |want. a. length.|
00000170  20 6f 66 20 63 61 62 6c  65 20 77 69 74 68 20 52  | of cable with R|
00000180  65 64 20 47 72 65 65 6e  20 61 6e 64 20 42 6c 75  |ed Green and Blu|
00000190  65 20 77 69 72 65 73 20  61 6c 6c 0d 69 6e 64 69  |e wires all.indi|
000001a0  76 69 64 75 61 6c 6c 79  20 73 63 72 65 65 6e 65  |vidually screene|
000001b0  64 2e 4d 61 70 6c 69 6e  20 64 6f 65 73 20 73 6f  |d.Maplin does so|
000001c0  6d 65 20 73 75 69 74 61  62 6c 65 2e 20 41 6c 74  |me suitable. Alt|
000001d0  65 72 6e 61 74 69 76 65  6c 79 20 69 66 20 79 6f  |ernatively if yo|
000001e0  75 20 66 69 6e 64 0d 73  6f 6d 65 1a 20 63 61 62  |u find.some. cab|
000001f0  6c 65 20 77 69 74 68 20  64 69 66 66 65 72 65 6e  |le with differen|
00000200  74 20 63 6f 6c 6f 75 72  65 64 20 77 69 72 65 73  |t coloured wires|
00000210  1a 20 79 6f 75 1a 20 63  6f 75 6c 64 1a 20 22 6c  |. you. could. "l|
00000220  61 62 65 6c 22 1a 20 74  68 65 6d 1a 20 77 69 74  |abel". them. wit|
00000230  68 0d 52 65 64 2c 47 72  65 65 6e 20 61 6e 64 20  |h.Red,Green and |
00000240  42 6c 75 65 20 50 56 43  20 74 61 70 65 2e 53 6f  |Blue PVC tape.So|
00000250  20 6c 6f 6e 67 20 61 73  20 79 6f 75 20 6b 6e 6f  | long as you kno|
00000260  77 20 77 68 69 63 68 20  6f 6e 65 20 69 73 20 77  |w which one is w|
00000270  68 69 63 68 2e 0d 0d 20  43 6f 6e 6e 65 63 74 20  |hich... Connect |
00000280  61 1a 20 42 4e 43 1a 20  70 6c 75 67 20 74 6f 20  |a. BNC. plug to |
00000290  65 61 63 68 20 77 69 72  65 20 69 6e 20 74 75 72  |each wire in tur|
000002a0  6e 20 61 74 20 6f 6e 65  20 65 6e 64 20 6f 66 20  |n at one end of |
000002b0  74 68 65 20 63 61 62 6c  65 2e 52 65 64 20 63 6f  |the cable.Red co|
000002c0  72 65 0d 74 6f 20 63 65  6e 74 72 65 20 70 69 6e  |re.to centre pin|
000002d0  20 69 6e 1a 20 6f 6e 65  1a 20 42 4e 43 20 70 6c  | in. one. BNC pl|
000002e0  75 67 2c 52 65 64 20 73  63 72 65 65 6e 20 74 6f  |ug,Red screen to|
000002f0  20 70 6c 75 67 20 73 68  69 65 6c 64 20 69 6e 20  | plug shield in |
00000300  73 61 6d 65 20 70 6c 75  67 20 61 6e 64 0d 73 6f  |same plug and.so|
00000310  20 6f 6e 2e 54 68 75 73  20 65 6e 64 69 6e 67 20  | on.Thus ending |
00000320  75 70 20 77 69 74 68 20  33 20 66 72 65 65 20 65  |up with 3 free e|
00000330  6e 64 73 20 28 52 2c 47  2c 42 29 2e 0d 0d 20 41  |nds (R,G,B)... A|
00000340  74 20 74 68 65 20 44 69  6e 20 65 6e 64 20 69 74  |t the Din end it|
00000350  73 20 61 1a 20 62 69 74  1a 20 6d 6f 72 65 20 63  |s a. bit. more c|
00000360  6f 6d 70 6c 69 63 61 74  65 64 20 61 6e 64 20 79  |omplicated and y|
00000370  6f 75 20 68 61 76 65 6e  27 74 20 61 20 6c 6f 74  |ou haven't a lot|
00000380  20 6f 66 20 72 6f 6f 6d  0d 74 6f 20 6d 6f 76 65  | of room.to move|
00000390  2e 52 65 64 20 43 6f 72  65 20 67 6f 65 73 20 74  |.Red Core goes t|
000003a0  6f 20 70 69 6e 20 31 2c  47 72 65 65 6e 20 43 6f  |o pin 1,Green Co|
000003b0  72 65 1a 20 67 6f 65 73  20 74 6f 20 70 69 6e 20  |re. goes to pin |
000003c0  32 2c 42 6c 75 65 20 43  6f 72 65 20 67 6f 65 73  |2,Blue Core goes|
000003d0  20 74 6f 0d 70 69 6e 20  33 2e 55 73 69 6e 67 20  | to.pin 3.Using |
000003e0  73 6f 6d 65 20 74 68 69  6e 20 69 6e 73 74 72 75  |some thin instru|
000003f0  6d 65 6e 74 20 77 69 72  65 20 6f 72 20 73 75 69  |ment wire or sui|
00000400  74 61 62 6c 79 20 69 6e  73 75 6c 61 74 65 64 20  |tably insulated |
00000410  6c 69 6e 6b 20 77 69 72  65 20 6c 69 6e 6b 0d 70  |link wire link.p|
00000420  69 6e 1a 20 34 1a 20 28  53 79 6e 63 29 1a 20 74  |in. 4. (Sync). t|
00000430  6f 1a 20 47 72 65 65 6e  20 43 6f 72 65 20 28 50  |o. Green Core (P|
00000440  69 6e 20 32 29 2e 53 69  6d 69 6c 61 72 6c 79 20  |in 2).Similarly |
00000450  6c 69 6e 6b 1a 20 61 6c  6c 1a 20 74 68 72 65 65  |link. all. three|
00000460  1a 20 73 63 72 65 65 6e  73 0d 74 6f 67 65 74 68  |. screens.togeth|
00000470  65 72 20 61 6e 64 20 63  6f 6e 6e 65 63 74 20 74  |er and connect t|
00000480  6f 20 30 76 20 28 50 69  6e 20 35 29 2e 50 69 6e  |o 0v (Pin 5).Pin|
00000490  20 36 20 69 73 20 6e 6f  74 20 75 73 65 64 20 69  | 6 is not used i|
000004a0  6e 20 74 68 69 73 20 69  6e 73 74 61 6e 63 65 2e  |n this instance.|
000004b0  0d 0d 20 20 41 6e 64 20  74 68 61 74 27 73 20 61  |..  And that's a|
000004c0  6c 6c 20 74 68 65 72 65  20 69 73 1a 20 74 6f 1a  |ll there is. to.|
000004d0  20 69 74 2e 4f 6e 63 65  1a 20 69 74 1a 20 77 61  | it.Once. it. wa|
000004e0  73 1a 20 61 6c 6c 1a 20  63 6f 6e 6e 65 63 74 65  |s. all. connecte|
000004f0  64 1a 20 75 70 2c 69 6e  1a 20 6d 79 0d 69 6e 73  |d. up,in. my.ins|
00000500  74 61 6e 63 65 1a 20 20  49 20 68 61 64 20 74 6f  |tance.  I had to|
00000510  20 70 6c 61 79 20 61 62  6f 75 74 20 77 69 74 68  | play about with|
00000520  20 74 68 65 20 73 63 72  65 65 6e 20 77 69 64 74  | the screen widt|
00000530  68 20 65 74 63 20 6f 6e  20 74 68 65 20 6d 6f 6e  |h etc on the mon|
00000540  69 74 6f 72 20 74 6f 0d  63 65 6e 74 72 61 6c 69  |itor to.centrali|
00000550  73 65 20 74 68 65 1a 20  70 69 63 74 75 72 65 2e  |se the. picture.|
00000560  42 75 74 1a 20 61 1a 20  6c 69 74 74 6c 65 1a 20  |But. a. little. |
00000570  66 69 6e 65 20 74 75 6e  69 6e 67 20 69 73 20 6e  |fine tuning is n|
00000580  6f 20 67 72 65 61 74 20  70 72 6f 62 6c 65 6d 20  |o great problem |
00000590  69 73 0d 69 74 20 3f 20  41 6c 6c 20 49 20 64 69  |is.it ? All I di|
000005a0  64 20 77 61 73 20 73 77  69 74 63 68 20 69 74 20  |d was switch it |
000005b0  6f 6e 20 77 69 74 68 20  74 68 65 20 45 4c 4b 20  |on with the ELK |
000005c0  63 6f 6e 6e 65 63 74 65  64 20 61 6e 64 20 74 77  |connected and tw|
000005d0  69 64 64 6c 65 20 75 6e  74 69 6c 20 49 0d 77 61  |iddle until I.wa|
000005e0  73 20 68 61 70 70 79 20  77 69 74 68 20 74 68 65  |s happy with the|
000005f0  20 70 69 63 74 75 72 65  2e 0d 0d 20 49 66 20 61  | picture... If a|
00000600  6e 79 62 6f 64 79 27 73  20 69 6e 74 65 72 65 73  |nybody's interes|
00000610  74 65 64 20 49 27 76 65  20 61 6c 73 6f 20 67 6f  |ted I've also go|
00000620  74 20 74 68 65 20 69 6e  66 6f 1a 20 6f 6e 1a 20  |t the info. on. |
00000630  68 6f 77 1a 20 74 6f 1a  20 6d 61 6b 65 1a 20 61  |how. to. make. a|
00000640  1a 20 56 47 41 0d 6c 65  61 64 20 66 6f 72 20 63  |. VGA.lead for c|
00000650  6f 6d 70 75 74 65 72 73  20 77 68 69 63 68 20 63  |omputers which c|
00000660  61 6e 20 75 73 65 20 74  68 61 74 20 66 61 63 69  |an use that faci|
00000670  6c 69 74 79 20 76 69 61  20 61 20 31 35 20 70 69  |lity via a 15 pi|
00000680  6e 20 48 44 20 44 20 50  6c 75 67 2e 4a 75 73 74  |n HD D Plug.Just|
00000690  0d 63 6f 6e 74 61 63 74  20 6d 65 20 61 6e 64 20  |.contact me and |
000006a0  49 27 6c 6c 20 73 65 6e  64 20 61 20 70 68 6f 74  |I'll send a phot|
000006b0  6f 63 6f 70 79 20 66 6f  72 20 74 68 65 20 70 72  |ocopy for the pr|
000006c0  69 63 65 20 6f 66 20 72  65 74 75 72 6e 20 70 6f  |ice of return po|
000006d0  73 74 61 67 65 2e 0d 0d  4a 4f 48 4e 20 43 52 41  |stage...JOHN CRA|
000006e0  4e 45 20 33 34 20 53 54  20 41 4e 44 52 45 57 53  |NE 34 ST ANDREWS|
000006f0  20 57 41 4c 4b 2c 48 41  52 52 4f 47 41 54 45 2c  | WALK,HARROGATE,|
00000700  4e 4f 52 54 48 20 59 4f  52 4b 53 2c 48 47 32 20  |NORTH YORKS,HG2 |
00000710  37 52 4c 20 28 30 31 34  32 33 20 38 38 35 30 34  |7RL (01423 88504|
00000720  39 29 0d 0d 0d 0d 20 20  20 20 20 20 20 20 20 20  |9)....          |
00000730  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000740  20 20 20 20 53 55 50 50  4c 59 20 41 44 44 52 45  |    SUPPLY ADDRE|
00000750  53 53 45 53 20 0d 20 20  20 20 20 20 20 20 20 20  |SSES .          |
00000760  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000770  20 20 20 20 7e 7e 7e 7e  7e 7e 7e 7e 7e 7e 7e 7e  |    ~~~~~~~~~~~~|
00000780  7e 7e 7e 7e 22 20 0d 4d  41 50 4c 49 4e 20 45 4c  |~~~~" .MAPLIN EL|
00000790  45 43 54 52 4f 4e 49 43  53 20 20 20 20 20 20 20  |ECTRONICS       |
000007a0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
000007b0  20 20 20 20 20 20 20 20  47 52 45 45 4e 57 45 4c  |        GREENWEL|
000007c0  44 20 45 4c 45 43 54 52  4f 4e 49 43 53 0d 50 4f  |D ELECTRONICS.PO|
000007d0  20 42 4f 58 20 33 20 20  20 20 20 20 20 20 20 20  | BOX 3          |
000007e0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
000007f0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 32  |               2|
00000800  37 20 50 41 52 4b 20 52  4f 41 44 20 20 20 20 20  |7 PARK ROAD     |
00000810  20 20 20 20 20 0d 52 41  59 4c 45 49 47 48 20 20  |     .RAYLEIGH  |
00000820  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000840  20 20 20 20 20 20 20 53  4f 55 54 48 41 4d 50 54  |       SOUTHAMPT|
00000850  4f 4e 20 20 20 20 20 20  20 20 20 20 0d 45 53 53  |ON          .ESS|
00000860  45 58 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |EX              |
00000870  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000880  20 20 20 20 20 20 20 20  20 20 20 20 20 20 53 4f  |              SO|
00000890  31 20 33 54 42 20 20 20  20 20 20 20 20 20 20 20  |1 3TB           |
000008a0  20 20 20 20 0d 53 53 36  20 38 4c 52 20 20 20 20  |    .SS6 8LR    |
000008b0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
000008d0  20 20 20 20 20 20 28 30  31 37 30 33 20 32 33 36  |      (01703 236|
000008e0  33 36 33 29 20 20 20 20  20 20 20 20 20 20 0d 28  |363)          .(|
000008f0  30 31 37 30 32 20 35 35  34 31 36 31 29 20 20 20  |01702 554161)   |
00000900  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000930  20 20 20 20 20 0d 20 20  20 20 20 20 20 20 20 20  |     .          |
00000940  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000960  20 20 20 20 20 20 20 20  0d 0d 49 46 20 59 4f 55  |        ..IF YOU|
00000970  20 53 45 4e 44 20 54 48  45 20 56 47 41 20 4c 45  | SEND THE VGA LE|
00000980  41 44 20 49 4e 46 4f 20  48 45 52 45 20 49 20 57  |AD INFO HERE I W|
00000990  49 4c 4c 20 54 52 59 20  54 4f 20 50 55 54 20 49  |ILL TRY TO PUT I|
000009a0  54 20 49 4e 54 4f 20 54  48 45 20 4e 45 58 54 0d  |T INTO THE NEXT.|
000009b0  45 55 47 20 55 53 49 4e  47 20 43 41 44 2b 0d     |EUG USING CAD+.|
000009bf
F/+MONTR1.m0
F/+MONTR1.m1
F/+MONTR1.m2
F/+MONTR1.m4
F/+MONTR1.m5