2. Type GREENHOUSE <Return>. If the banner shown in CRT 1
is displayed the program has loaded successfully. If the message
"Bad command or file name" is displayed you do not have the disk
with the GREENHOUSE program in Drive A (default drive).

 3. After a while the screen will display a mask as is shown
in CRT 2. At the point where the cursor is blinking enter the
selection.

 4a) If the entered selection is 1, the screen will show an
input/output mask as shown in CRT 3. Enter the corresponding
data on each of the fields (see Appendix A) that are shown in
Table A.

 Table A

Wall Height: 8.0 ft
House Width: 40.0 ft
House Length: 96.0 ft
Rafter Length: 22.4 ft
Gable Height: 10.0 ft
U Factor Of Single Material Wall: 1.1 BTU/hr. F ft2
U Factor Of Rafter Material: 1.1 BTU/hr. F ft2
U Factor Of Roof Material: 1.1 BTU/hr. F ft2
U Factor Of Perimeter: 0.8 BTU/hr. F ft
Number Of Individual Houses: 1
Number Of Air Exchanges Per Hour: 1.5
Temperature Difference: 60.0 F
-----------------------------------------------------
 Once the last datum has been entered press the <End> key.
 A mask as shown in CRT 4 will be displayed.
 i) Typing Y the computations will be performed and a mask
as shown in CRT will be displayed on the screen. At the point
where the cursor is blinking you can enter Y or N. Entering Y
the MAIN MENU will be displayed. Entering N sends the cursor to
the first input field and new data can be entered.
 ii) Typing N sends the cursor to the last input field.

 4b) If the entered selection is 2, the screen will show an
input/output mask as shown in CRT 6. Enter the corresponding
data on each of the fields (see Appendix A) that are shown in
Table B.
 Once the last datum has been entered and there are no
mistakes press the <End> key. A mask as shown in CRT 7 will be
displayed.
 i) Typing N the computations will be performed and a mask
 as shown in CRT 8 will be displayed on the screen. At
 the point where the cursor is blinking you can enter Y
 or N. Entering Y the MAIN MENU will be displayed.
 Entering N sends the cursor to the first input field
 and new dTta can be entered.
 ii) Typing N sends the cursor to the last input field.