IAI America IA-T-XA (ANSI standard CE mark agreement) - Manual (Page 86)

Input section for Op-2 (String input)
Press the F4 (’) key. Num or Alph is displayed for F1
in the function key section.
Every time the F1 key is pressed, the display is
changed between Num and Alph. Change the input
method between numeric input and alphabetical
input.
Num: Numeric input
Alph: Alphabetical input
Press the F1 (Num) key to display Alph.
Input I with 9 of the ten-key numeric pad.
Input A with 7 of the ten-key numeric pad.
Input I with 9 of the ten-key numeric pad.
Press the return key twice.
(When correcting it, use the BS key.)
Press the WRT key to transfer the data of step No. 2
to the controller.
The step No. advances to 3.
* When the screen is changed with the PAGE UP
and PAGE DOWN keys or ESC key before data
transfer, the input data becomes invalid.
Complete the program input. Return to the Flsh screen with the ESC key.
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