Changing Receiver Modes
P/N 7010-1004
5-19
Changing Receiver Modes
The receiver has the following three modes, two information modes
and one power modes:
• Normal Mode – the standard surveying mode.
• Extended Information Mode – used for testing purposes during
normal operation.
• Sleep Mode – used to stop recording data, but keeps the receiver
powered on “standby”.
Entering Extended Information Mode
Extended Information Mode (EIM) is used for receiver testing
purposes. In this mode, the receiver continues to work as usual, but
the STAT LED indicates “extended” information using a delimiter.
The Delimiter is a distinguishable double-blink that shows the overall
status of tests performed in EIM. The STAT LED color for delimiter
is calculated from the colors of other LED blinks, and becomes one of
the following colors when the tests complete:
• Orange – at least one blink is orange.
• Red – no orange blink and at least one red blink.
• Green – all other cases.
The delimiter double-blink is followed by six LED blinks
corresponding to six receiver tests, where each blink indicates the
following information:
Blink 1. Sufficient data for position computation.
Blink 2. GPS S/N ratios are good (Table 5-1).
Blink 3. GLONASS S/N ratios are good (Table 5-1).
Blink 4. Oscillator’s frequency offset is less than three ppm
(parts per million).
Blink 5. Oscillator's Allan Variance is better than 2.7e-10
(currently, always orange).
Blink 6. Continuous tracking time is more than 15 minutes.
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