User's Manual

Table Of Contents
Chapter3:Getting To Know Your 7530
7535 Indicators
42Psion Teklogix 7530 Hand-Held Computer User Manual
Select the Calibration tab, and then choose the ‘Recalibrate button.
Figure 3.5 Calibration Screen
Follow the directions on the calibration screen to calibrate the screen.
3.6 7530 Indicators
7535s use LEDs (Light Emitting Diode), onscreen messages and audio tones as
indicators.
3.6.1 LEDs
The 7535 is 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 generally indicates an abnormal operating condition or
active laser emission.