Symbol PTC-2124, Руководство пользователя

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Disposable screen protectors
PTC-2124 User’s Guide 27
to take an action. For example, the PTC warns you with a series of beeps when the battery pack or bridge battery is running
out of power. Refer to the section titled "Beep codes" on p. 58 for an explanation of the standard beep codes. Other codes
may be specific to your application, which controls how the speaker is used. Your PTC can also be programmed to change
the volume of the beeps emitted by the speaker.
7. This LED indicates when the PTC’s battery pack or bridge battery is low, the charging status of the battery pack, and
whether any errors have occurred. See Appendix C for an interpretation of the Batt LED codes.
8. The Contrast button can be used to change the contrast of the PTC’s screen. Pressing the Contrast button adjusts the
contrast in one direction, from lightest to darkest and then wraps back to the lightest contrast level.
Note: If the screen is completely dark or
blank, press the Contrast button to
select an appropriate contrast level.
9. An additional line at the bottom of the display is reserved for six icons: P1 through P6. These icons can be custom
programmed to meet the needs of your application. The
PTC-2124 Software Guide
provides information on
programming the PTC’s display icons.
10. This button can be programmed via the PTC’s application to perform a specific function.