User guide

10
MIRROR VT Emulator User Guide
SPECIAL ESC COMMANDS & HARDWARE TEST
SPECIAL ESC COMMANDS
For VT emulation, a number of special ESC commands are available for system
information and hardware control. You may send an escape sequence from a host to get
device type, serial number, or control the hardware features of the mobile computer.
Feature
Special ESC Command Supported on
System
Information
ESC[97c
 The mobile computer will respond with the information on
H/W, S/N, M/D, KNL, LIB, USR and DEV. Each is separated
by a comma.
8000/8300/8400/
8500
Device Type
Get device type: ESC[98c
 The return value will be ESC[8>’Device Type’\0, such as
[8>8300.
8000/8300/
8400/8500
Serial Number
Get serial number: ESC[99c
 The return value will be ESC[9>’Serial Number’\0, such as
[8>EB7000001.
8000/8300/
8400/8500
LED ESC[0;color;mode;duration]
Parameter Description
color 0: Red LED
1: Green LED
mode & duration 0: LED is turned off for (duration *0.01)
seconds and then turned on
1: LED is turned on for (duration *0.01)
seconds and then turned off
2: LED flashes for (duration *0.01)
seconds and then repeat
8000/8300/
8400/8500
Buzzer ESC[1;beep sequence]
For example, you may send “ESC[1;x;y;x;y…]”.
 A beep sequence refers to pairs of Beep Frequency(x) and
Beep Duration(y).
 Beep Frequency = 76000 Hz / Actual Frequency Desired: if
a frequency of 4 KHz is desired, the value of x is 19.
 Beep Duration is in units of 10 milliseconds.
8000/8300/
8400/8500
Reader
Enable: ESC[2;1]
Disable: ESC[2;0]
8000/8300/
8400/8500
RFID Reader
Enable: ESC[3;1]
Disable: ESC[3;0]
8300/8500