Motorola MT2070 用户手册
Chapter 3 Scanning
Introduction
This chapter provides beeper and LED definitions, techniques involved in scanning bar codes, general instructions
and tips about scanning, and decode zone diagrams.
and tips about scanning, and decode zone diagrams.
Beeper Definitions
The device issues different beep sequences and patterns to indicate status.
defines beep sequences that
occur during both normal scanning and while programming the device.
Table 3-1
Beeper Definitions
Beeper Sequence
Indication
Standard Use
Low/medium/high beeps
Power up.
Short high beep
A bar code symbol was decoded (if decode beeper is enabled).
4 long low beeps
Transmission error.
5 low beeps
Conversion or format error.
Low/low/low/extra low beeps
RS-232 receive error.
High beep
The device detected a <BEL> character over RS-232.
Image Capture
Low beep
Snapshot mode started or completed.
High/low beeps
Snapshot mode timed out.
Parameter Menu Scanning
Low/high beeps
Input error; incorrect bar code, programming sequence, or Cancel scanned.
High/low beeps
Keyboard parameter selected. Enter value using numeric bar codes.