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Chapter 5: Getting To Know The Warrington
Warrington Hand-Held Indicators
Warrington Hand-Held Indicators
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Warrington Hand-Held Computer User Manual
Figure 5.4 Calibration Screen
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Follow the directions on the calibration screen to calibrate the screen.
5.6
Warrington Hand-Held Indicators
The Warrington uses an LED (Light Emitting Diode), onscreen messages and audio tones to
indicate the various conditions of the hand-held, the batteries, the scans and so on.
indicate the various conditions of the hand-held, the batteries, the scans and so on.
5.6.1
LEDs
A tri-coloured LED is located on the upper-left side of the unit, above the screen. The green
LED is the battery charge indicator; the yellow LED indicates an application; the blue LED
indicates whether the radio is on or off. When you press [ENTER], the LED flashes green to
indicate that the unit has been powered up. The LED table following outlines the behaviour
of the LED while the unit is docked in a charger.
LED is the battery charge indicator; the yellow LED indicates an application; the blue LED
indicates whether the radio is on or off. When you press [ENTER], the LED flashes green to
indicate that the unit has been powered up. The LED table following outlines the behaviour
of the LED while the unit is docked in a charger.
Keep in mind that the application running on the Warrington can dictate how the LED oper-
ates. Review the documentation provided with your application to determine
LED behaviour.
ates. Review the documentation provided with your application to determine
LED behaviour.
If the unit is attached to an external power supply, the hand-held’s LED reflects the battery
charge status.
charge status.
Preliminary Draft