Key Controls:
| Turn caps lock/shift lock on/off | {^} (Lock) | CapsLock |
| Turn keyclick on/off | Shift Enter or Ctrl Enter | Shift Enter or Ctrl Enter |
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| Communications/Data Processing: |
| Enter or exit setup mode | F3 | Select or Alt PrntScrn |
| Turn block mode on/off | Ctrl Shift F5 | Shift Break |
| Perform hard terminal reset while in setup | Ctrl F3 | Ctrl Alt Del or Ctrl Shift Select |
| Perform soft terminal reset | Shift F3 | Shift Select |
| Send break to host (for active session) | F5 | Alt Pause |
| Send answerback message | Ctrl F5 | Alt Break |
| Suspend communication with modem for 2 seconds | Shift F5 | Shift Break |
Hold data on screen (active session)
(if Xon/Xoff handshake is enabled) | F1 | ScrlLock |
Hold data on screen (inactive session)
(if Xon/Xoff handshake is enabled; VT400 only) | Ctrl F1 | Ctrl ScrlLock |
| Increase scrolling rate (if not split screen) | Ctrl Shift UpArrow | same |
| Decrease scrolling rate (if not split screen) | Ctrl Shift DnArrow | same |
|
| Editing/Printing Functions: |
| Turn insert mode on/off | Ctrl InsertHere | Ctrl Insert |
| Print Page | F2 | PrintScrn |
| Turn autoprint mode on/off | Ctrl F2 | Ctrl Shift P or PrtScrn |
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| Display Functions/Dual Sessions: |
| Home cursor and clear page | CtrlShift PrevScrn | Ctrl Shift Home |
| Display next page | Ctrl NextScrn | Ctrl PageDn |
| Display previous page | Ctrl PrevScrn | Ctrl PageUp |
| Activate other session (VT400 only) | F4 or Ctrl Shift Enter | Alt ScrlLock or Ctrl Alt |
Select dual-session screen format (VT400 only) (split or full screen) | Ctrl F4 or Ctrl Shift F4 | ScrlLock |
| Turn controls display mode on/off | Ctrl Shift 1(Kpd) | same |
| Change status line display | Ctrl RtArrow | same |
| Pan display up one line (VT400 only) | Ctrl UpArrow | same |
| Pan display down one line (VT400 only) | Ctrl DnArrow | same |
| Move split up (VT400 only) | Ctrl Shift UpArrow | same |
| Move split down (VT400 only) | Ctrl Shift DnArrow | same |
|
| Perform copy/paste function: (with F1 held down) |
| Mark block start | F1 Select | ScrlLock Home |
| Mark block end | F1 Remove | ScrlLock End |
| Paste block | F1 InsertHere | ScrlLock Insert |
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| Additional Key Sequences in WY-85 Personality |
| Turn monitor mode on/off | Ctrl LtArrow | |
| Turn status line on/off | Ctrl RtArrow | |
| Increase scrolling rate | Ctrl UpArrow | |
| Decrease scrolling rate | Ctrl DnArrow | |
| Turn autoprint mode on/off | Shift F2 | |
| Perform soft terminal reset | Shift F3 | |
| Perform hard terminal reset | Ctrl Shift F3 | |
| Toggle block/online mode | F4 | |
| Send cursor line | Shift F4 | |
| Send answerback message | Ctrl Shift F5 | |
| Turn insert mode on/off (block mode only) | InsertHere | |
| Delete character (block mode only) | Remove | |
Clear display from cursor to end of page (block mode only) | NextScrn | |
| Clear display and home cursor (block mode only) | PrevScrn | |
| Clear display and home cursor | Ctrl PrevScrn | |