Tandberg tdv terminal      +------+------+------+ +------+------+------+------+
D2 keyboard mapping        |DelEOF|      |      | |      |      |Help  |      |
			   +------+------+------+ +------+------+------+------+
			   |(B)Tab|      |      | |      |      |      |PA3   |
		  +------+ +------+------+------+ +------+------+------+------+
		  |Del <=| |      |      |      | |DelEOF|Clear |Insert|Del ch|
	       +--+------+ +------+------+------+ +------+------+------+------+
	       |Next line| |      |Clear |      | |PF1   |PF2   |PF3   |PA1   |
Specials       +--+------+ +------+------+------+ +------+------+------+------+
		  |Enter | |      |Up    |      | |PF4   |PF5   |PF6   |PA2   |
^g = Master       |      | +------+------+------+ +------+------+------+------+
      reset       |      | |Left  |Abort |Right | |PF7   |PF8   |PF9   |PF12  |
^t = redraw       +------+ +------+------+------+ +------+------+------+      |
      screen               |Btab  |Down  |Tab   | |PF10         |PF11  |      |
			   +------+------+------+ +-------------+------+------+

PF1,2, ... ,11,12 can also be got by <ESC> followed by 1,2, ... ,-,^
PF13,14, ... ,23,24 can be got by <ESC> followed by !,", ... ,=,~
