Host Port Communications
Escape Commands
The tables below list the escape commands that must be generated from the host
system and the resulting action(s).
ST5770 Escape Commands
Command
<ESC> a
<ESC> b
<ESC> 1
<ESC> 2
<ESC> 3
<ESC> 4
<ESC> 5
<ESC> 6
<ESC> 7
<ESC> 8
3 - 8
Action
Beep (two high tones), illuminate green LED for two seconds
Beep (three low tones), illuminate green LED nine times
Illuminate green LED for 135 milliseconds
Illuminate green LED for two seconds
Illuminate green LED for five seconds
One beep at low volume
One beep at medium volume
One beep at high volume
Beep (one medium tone), illuminate green LED two seconds
Beep (three low tones), illuminate green LED nine times