Top Panel - Javad ALPHA Operator's Manual

Top panel

Figure 1-2 shows the ALPHA's top panel with TriPad:
TriPad is the simple user interface for the ALPHA receiver. The TriPad consists of two keys and
two, three-color LEDs.
The STAT (Status) LED displays the number of tracked satellites.
• When the receiver is on and no satellites are tracked, the STAT LED will blink red.
• When satellites are tracked, the STAT LED will produce one blink for each tracked
satellite (green for GPS, orange for GLONASS).
The On/Off (power) button turns the receiver on and off.
Pressing the FN key for less than one second switches the receiver between different information
modes (normal and extended information), or between static and dynamic post-processing modes,
depending on the receiver's configuration.
• During the first second of pressing the FN key, the REC LED is orange.
• Pressing the FN key for more than one and less than five seconds will start/stop data
recording.
• During data recording the REC LED is green or orange.
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Figure 1-2. ALPHA Top Panel
Introduction
Getting Acquainted
External Components
21