| Commands | Function | 
| 
M 0
 | Defines menu zero. | 
| 
F 0 "@1
 | The Esc key is aimed at menu 1. | 
| 
T 00 00 07 "Esc to enter menu system
 | Defines the display for line zero, column zero, using graphics color level 7. | 
| 
-----------------------------------
 | Comment; used here to indicate a new menu. | 
| 
M 1
 | Defines menu 1. | 
| 
I "SF 2;LB 2 2
 | Displays frame 2, then sets the loop bounds to 2-2. | 
| 
T 2 10 14 "F1
 | Displays F1 on line 2, starting in column 10 in graphics color level 14. | 
| 
T 2 14 7 "Receive latest satellite image
 | Displays this message after the F1 above. | 
| 
T 4 10 14 "F2
T 4 14 7 "Receive current meteorogram
T 6 10 14 "F3
T 6 14 7 "See satellite image
T 8 10 14 "F4
T 8 14 7 "See meteorogram
T 12 10 14 "F5
T 12 14 7 "Return to McIDAS-X
 | Displays the rest of the menu choices. | 
| 
F 0 "@1
 | Redefines the Esc key to go to menu 1. | 
| 
F 1 "IMGDISP GOES/EAST 1 STA=KMSN
 | Command for F1. | 
| 
F 2 "SFCMG KMSN
 | Command for F2. | 
| 
F 3 "@2
F 4 "@3
F 5 "@4
 | F3 takes you to menu 2, etc. | 
| 
-----------------------------------
 | Comment; used here to indicate a new menu. | 
| 
M 2
 | Defines menu 2. | 
| 
I "SF 1;LB 1 1
 | Displays frame 1, then sets the loop bounds to 1-1. | 
| 
T 10 10 7 "Esc to return to menu
 | Displays Esc message. | 
| 
F 0 "@1
 | Redefines the Esc key to go to menu 1. | 
| 
-----------------------------------
 | Comment; used here to indicate a new menu. | 
| 
M 3
 | Defines menu 3. | 
| 
I "SF 2;LB 2 2
 | Displays frame 2, then sets the loop bounds to 2-2. | 
| 
T 10 10 7 "Esc to return to menu
 | Displays Esc message. | 
| 
F 0 "@1
 | Redefines the Esc key to go to menu 1. | 
| 
-----------------------------------
 | Comment; used here to indicate a new menu. | 
| 
M 4
 | Defines menu 4: return to the normal interface. | 
| 
T 10 10 7 "Esc to exit menu system
 | Displays Esc message. | 
| 
F 0 "*QUIT
 | Redefines the Esc key to exit the menu. |