2-14  Chapter 2:  Terminal Interfaces 
Host ACK Enable 
 
Base/Host Escape Commands 
Command Action 
<ESC> a  Indicate as if successful menu change made 
<ESC> b  Indicate as if unsuccessful menu change made 
<ESC> 1 
Illuminate green LED for 135 milliseconds (followed 
by at least 70 mSecs. dark time when multiple 
blinks) 
<ESC> 2 
Illuminate green LED for two seconds (followed by at 
least 500 mSecs. dark time when multiple blinks) 
<ESC> 3 
Illuminate green LED for five seconds (followed by at 
least 500 mSecs. dark time when multiple blinks) 
<ESC> 4  One beep at low volume 
<ESC> 5  One beep at medium volume 
<ESC> 6  One beep at high volume 
<ESC> 7  Indicate as successful decode and communication to 
host. 
<ESC> 8  Indicate as unsuccessful decode and communication 
to host.