Epson ESC/VP21 User Manual page 61

Fig. 4-1 Data Path for Local Analog Loopback
Example 1 - Test timer disabled
Command:
Result:
Test message:
Escape:
Result
Command:
Result code:
54
AT/N1 <CR>
ATS18=0&Tl <CR>
cursor shifts down one line
THE QUICK BROWN FOX JUMPS OVER THE
LAZY DOG 1234567890
+ + +
(return to the on-line command state)
code: OK
AT&T0 <CR> (end the test)
OK
TESTING - 4