User's Manual

Table Of Contents
Chapter 3: Getting To Know Your 7545
7545 Indicators
52 Psion Teklogix 7545 Hand-Held Computer User Manual
Select the Calibration tab, and then choose the Recalibrate button.
Follow the directions on the calibration screen to calibrate the screen.
3.5 7545 Indicators
7545s use LEDs (Light Emitting Diodes), onscreen messages and audio tones as indicators.
3.5.1 LEDs
Hand-helds are equipped with four tri-coloured LEDs. This section outlines what these
LEDs indicate.
Important: If an LED is illuminated in red, the operator should be cautious as this gen-
erally indicates an abnormal operating condition or active laser emission.
Preliminary Draft 3