Digital Scanner Activity Modes - Motorola symbol ds9808 Reference Manual

4 - 10 Symbol DS9808 Product Reference Guide

Digital Scanner Activity Modes

The digital scanner is capable of four modes of activity:
•
Active Mode - The digital scanner uses full illumination for active scanning.
•
Idle Mode - In presentation mode only, the digital scanner's illumination dims after a programmable time
period. See Time Delay to Presentation Idle Mode on page
senses motion, upon presentation of a bar code, or upon a trigger pull.
•
Sleep Mode - In presentation mode only, the digital scanner's illumination shuts off after a programmable
time period after Idle Mode has expired. See
digital scanner wakes when it is lifted or senses motion, upon presentation of a bar code (depending on
ambient light conditions), or upon a trigger pull.
•
Low Power Mode - The digital scanner enters a low power consumption mode after Sleep Mode has
expired, in which the LEDs turn off in order to conserve energy and prolong the life of the scanner. See
Power Mode. In hand-held mode, this occurs immediately after the programmed
Mode. In presentation mode, this occurs after idle mode and sleep mode. The digital scanner wakes when it
is lifted, senses a trigger pull, or when the host attempts to communicate.
NOTE The digital scanner does not use Low Power Mode when connected to a USB or IBM host.
Time Delay to
Presentation
Idle Mode value
Active Mode
Note: Time delays are cumulative.
Power Levels
Figure 4-1
Time Delay to Presentation Sleep Mode on page
Time Delay to
Presentation
Sleep Mode value
Idle Mode
4-11. The digital scanner wakes when it is lifted or
Time Delay to Low Power
Time Delay to
Low Power
Mode value
Sleep Mode
4-13. The
Low
Low Power Mode