IAI America DS-S-T1 - Manual (Page 73)

Page 71
10. Explanation on Each Function Screen
10.4 Test Mode
F1 F2 F3 F4
Test Prog
Parm
Mode
Select Play
Test
Flag
In
Out
Ver
Mode
Select
F1 F2 F3 F4
Test
F1 F2 F3 F4
Test
Prog
Parm
Play
Test
Ver
Sys
Etc
Flag
Out
Inc
Etc
(Super SEL Type)
(DS Type)
Flag In Out Ver
Flag In Out Etc
Sys Ver Etc
Select the F4 Key.