This specification is subject to change without prior notice.
GU-3900B series “General Function” Software Specification
1 General Description........................................................................................................................................................ 4
2.1 Normal command mode........................................................................................................................................... 4
2.3 User setup mode...................................................................................................................................................... 4
2.5 Test mode................................................................................................................................................................. 4
4.1.2 Character display.............................................................................................................................................. 6
4.2.2 Bit image and font definition memory...............................................................................................................7
4.5.2 All screen mode.............................................................................................................................................. 10
4.6.1 Direct mode..................................................................................................................................................... 11
4.7.1.1 Character code...................................................................................................................................... 11
4.7.1.2 Control code........................................................................................................................................... 11
4.7.2 Detail of code set............................................................................................................................................ 12
4.7.2.1 Character display................................................................................................................................... 12
4.7.2.5 HOM (Home Position)............................................................................................................................16
4.7.2.8 CAN (Line Clear)................................................................................................................................... 16
4.7.2.9 RCLR (Line end Clear).......................................................................................................................... 16
4.7.3.1 General setting commands.................................................................................................................... 17
4.7.3.2 Character display setting commands.....................................................................................................17
4.7.3.11 Other setting commands........................................................................................................................ 23
4.7.4 Command Set Details..................................................................................................................................... 25
4.7.4.1 US X n (Brightness level setting)...........................................................................................................25
4.7.4.3 US $ x y (Cursor Set).............................................................................................................................25
4.7.4.4 US C n (Cursor display ON/OFF)..........................................................................................................25
4.7.4.5 US ( w 10h a (Write screen mode select)..............................................................................................26
4.7.4.6 ESC R n (International font set).............................................................................................................26
4.7.4.7 ESC t n (Character table type)...............................................................................................................27
4.7.4.8 US MD1 (Over-write mode)...................................................................................................................27
4.7.4.9 US MD2 (Vertical scroll mode)...............................................................................................................27
4.7.4.10 US MD3 (Horizontal scroll mode)..........................................................................................................27
4.7.4.11 US MD5 (Horizontal scroll mode, scroll ON).........................................................................................27
4.7.4.12 US s n (Horizontal scroll speed)............................................................................................................27
4.7.4.13 US ( g 01h m (Font size select).............................................................................................................28
4.7.4.14 US ( g 02h m (2-byte character)............................................................................................................28
4.7.4.15 US ( g 03h m, US ( g 0Fh m (2-byte character type)............................................................................28
4.7.4.16 US ( g 04h m (Font Width).....................................................................................................................29
4.7.4.17 US ( g 05h n (FROM Extended Font)....................................................................................................30
4.7.4.18 US ( g 40h x y (Font Magnification).......................................................................................................30
Contents
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GU-3900B series “General Function” Software Specification
4.7.4.19 US ( g 41h b (Bold character)................................................................................................................30
4.7.4.20 US ( a 01h t (Wait)................................................................................................................................. 30
4.7.4.21 US ( a 02h t (Short Wait)........................................................................................................................ 30
4.7.4.22 US ( a 10h wL wH cL cH s (Scroll display action)..................................................................................31
4.7.4.23 US ( a 11h p t1 t2 c (Blink)..................................................................................................................... 31
4.7.4.24 US ( a 12h v s p (Curtain display action)...............................................................................................32
4.7.4.25 US ( a 13h v s pL pH (Spring display action).........................................................................................32
4.7.4.26 US ( a 14h s pL pH (Random display action)........................................................................................33
4.7.4.27 US ( a 40h p (Display power ON/OFF/auto-OFF)..................................................................................34
4.7.4.28 US ( a 40h 11h t (Display power auto-OFF time)...................................................................................34
4.7.4.29 US ( d 10h pen xL xH yL yH (Dot drawing)............................................................................................34
4.7.4.30 US ( d 11h mode pen x1L x1H y1L y1H x2L x2H y2L y2H (Line/Box pattern drawing).........................34
4.7.4.31 US ( f 20h xPL xPH yPL yPH m aL aH aE ySL ySH xOL xOH yOL yOH xL xH yL yH g) (Dot unit
downloaded bit image display).......................................................................................................36
4.7.4.32 US ( d 21h xPL xPH yPL yPH xL xH yL yH g d(1)...d(k) (Dot unit real-time bit image display).............39
4.7.4.33 US ( d 30h xPL xPH yPL yPH m bLen d(1)...d(bLen) (Dot unit character display)................................41
4.7.4.34 US ( f 11h xL xH yL yH g d(1)...d(k) (Real-time bit image display)........................................................42
4.7.4.35 US (f 01h aL aH aE sL sH sE d(1)...d(s) (RAM bit image definition).....................................................43
4.7.4.36 US ( e 10h aL aH aE sL sH sE d(1)...d(s) (FROM bit image definition).................................................44
4.7.4.37 US ( f 10h m aL aH aE ySL ySH xL xH yL yH g) (Downloaded bit image display)................................46
4.7.4.38 US ( f 90h m aL aH aE ySL ySH xL xH yL yH g s) (Downloaded bit image scroll display)....................48
4.7.4.39 US m n (Horizontal scroll display quality select)....................................................................................50
4.7.4.40 US r n (Reverse display)........................................................................................................................50
4.7.4.41 US w n (Write mixture display mode)....................................................................................................50
4.7.4.42 US ( w 01h a (Window select)...............................................................................................................50
4.7.4.43 US ( w 02h a b[xPL xPH yPL yPH xSL xSH ySL ySH] (User Window define / cancel).......................51
4.7.4.44 ESC % n (Download character ON/OFF)..............................................................................................52
4.7.4.45 ESC & a c1 c2 [x1 d1...d(y×x1)]...[xk d1...d(y×xk)] (Download character definition).............................52
4.7.4.46 ESC ? a c (Download character delete)................................................................................................52
4.7.4.47 US ( g 10h c1 c2 d1...d32 (16×16 Download character definition)........................................................53
4.7.4.48 US ( g 11h c1 c2 (16×16 Downloaded character delete).......................................................................53
4.7.4.49 US ( g 14h c1 c2 d1...d128 (32×32 Download character definition)......................................................53
4.7.4.50 US ( g 15h c1 c2 (32×32 Downloaded character delete).......................................................................54
4.7.4.51 US ( e 11h a (Download character save)...............................................................................................54
4.7.4.52 US ( e 21h a (Download character restore)...........................................................................................54
4.7.4.53 US ( e 13h m P(80h-1) P(80h-2)...P(FFh-n) (FROM User font definition).............................................55
4.7.4.54 US ( e 15h a b p(1)…p(65536) (FROM extension font definition).........................................................55
4.7.4.55 US ( e 01h d1 d2 (User setup mode start).............................................................................................55
4.7.4.56 US ( e 02h d1 d2 d3 (User setup mode end).........................................................................................55
4.7.4.57 US ( p 01h n a (I/O Port Input / Output setting).....................................................................................56
4.7.4.58 US ( p 10h n a (I/O Port Output)............................................................................................................56
4.7.4.59 US ( p 20h n (I/O Port Input).................................................................................................................. 56
4.7.4.61 US ( e 12h a pL pH t1 t2 [ d(1)...d(p) ] (FROM Macro define / delete)...................................................57
4.7.4.62 US ^ n t1 t2 (Macro execution)..............................................................................................................58
4.7.4.63 US ( i 20h a b c (Macro end condition)..................................................................................................59
4.7.4.64 US ( e 03h a b (Memory SW setting).....................................................................................................59
4.7.4.65 US ( e 04h a (Memory SW data send)...................................................................................................60
4.7.4.66 US ( e 18h sL sH sE m1 a1L a1H a1E d[1]...d[s] (General-purpose memory store).............................60
4.7.4.67 US ( e 19h sL sH sE m1 a1L a1H a1E m2 a2L a2H a2E (General-purpose memory transfer).............61
4.7.4.68 US ( e 28h sL sH sE m1 a1L a1H a1E (General-purpose memory send).............................................61
4.7.4.69 US ( e 40h a [b c ] (Display status send)...............................................................................................62
4.7.4.70 US ( i 10h a b (RS-232 serial settings)..................................................................................................62
4.7.4.71 FS | M m d1...d6 (Memory re-write mode).............................................................................................62
4.8 Bit image data format.............................................................................................................................................. 63
4.9 Download character format..................................................................................................................................... 63
5 Graphic DMA mode (Applicable for Parallel interface only)....................................................................................64
6.1.1 Display address (for Packet mode and Graphic DMA mode).........................................................................68
6.1.2 RS-232 communication settings..................................................................................................................... 68
Notice for the Cautious Handling of VFD Modules......................................................................................................70