
MDI-4000 Series Serial Interface Manual
14
3.5.2
Diagnostic Commands
These commands can be used to get diagnostics information from the scan engine.
Diagnostics Commands
Command
Description
Notes
Z1
Transmit software version
Z3
Transmit settings
The Z3 output result is subject to change
when the firmware version is changed.
[EAR
Transmit only changes from default
ZA
Transmit ASCII printable string
YV
Transmit ASCII control string
Device Information Commands
Command
Description
Example
Possible Values
[EFK
Q0
Model
Number
MDI-4150
MDI-4050, MDI-4150, MDI-4000, MDI-4100
Q1
Firmware
Version
BD01J01
BD01Jxx, where xx=revision number.
Q2
Interface
U2
U2 = Serial Standard I/F mode
U* = Serial S-Mode I/F mode
SU = USB (HID/Keyboard) I/F mode
C01 = USB-Virtual COM I/F mode
Q3
Focus type
SR
SR = Standard Range (115 mm fixed focus)
HD = High Density (65 mm fixed focus)
UD = Ultra-High Density (45 mm fixed focus)
Q4
ID (32 digits)
765987D894CA5391
8218FB0D31A54AAF
Unique number for every scan engine
Q5
Serial number
1000001
Serial number of the scan engine
3.5.3
ACK/NAK for Serial Commands
When "ACK/NAK for serial commands" is enabled, the scan engine sends an ACK (0x06) when
a command is received and accepted and a NAK (0x15) when a command is rejected.
ACK/NAK Commands
Command
Description
Default
WC
Enable ACK/NAK for serial commands
WD
Disable ACK/NAK for serial commands
✓
3.5.4
Reboot the Scan Engine
Use this command to restart the scan engine.
Note:
The “Custom Factory Default Settings” operation requires a reboot.
Software Reboot Command
Command
Description
Notes
RV
Reboot the scan engine
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