Led Definitions; Aiming - Motorola SYMBOL LS9203 Reference Manual

LED Definitions

In addition to beeper sequences, the scanner communicates with the user using an LED display. Table 2-2 defines LED flashes that
display during scanning.
Off
Green
Momentary flash
Slow continuous flashing
Fast continuous flashing

Aiming

Do not hold the scanner directly over the bar code. Laser light reflecting directly back into the scanner from the bar code is known as
specular reflection. This specular reflection can make decoding difficult.
The scanner can be tilted up to 45° forward or back and achieve a successful decode
tolerances to work within.
Table 2-2. Standard LED Definitions
LED
No power is applied to the scanner.
The scanner is on and "ready to scan."
A bar code was successfully decoded.
The scanner is in programming mode.
There is a internal problem; the laser is shut off for regulatory reasons.
Specular
Reflection
- + 4
45
Bar
Code
Figure 2-6. Maximum Tilt Angles and Dead Zone
Indication
(Figure 2-6). Simple practice quickly shows what
45
Scanning 2-7