Diagnostic tools#
Menu navigation
- Menu:
SYSt
- Item:
c0
- Values:
1, 2, 3, 4, 5, 6, 7, 8
Diagnotic tools are set of specialized features and tools that allow you to monitor clock’s functions.
You can choose from values:
1* (default value) |
display test |
---|---|
2* |
display of active alarms |
3* |
display of internal temperature |
4* |
display of test results |
5* |
display of calibration deviation |
6* |
passive DCF diagnostic menu |
7* |
display of line quality diagnostics |
8* |
GPS diagnostic menu |
All values have accessible submenu.
Display test submenu#
After entering this item, all segments of the display will light up.
Active alarms submenu#
See the table below:
|
if any alarm is not active |
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|
|
Internal temperature submenu#
|
|
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Test results submenu#
|
tested in production with pass result |
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|
tested in production with failed result |
|
not tested in production |
Calibration deviation submenu#
|
calibration deviation greater than 1000 ppm |
---|---|
|
calibration deviation greater than 100 ppm |
|
calibration deviation less than 100 ppm |
Negative deviation is indicated by a lit dot at the first digit.
Currently running calibration is indicated by a flashing decimal point.
Passive DCF diagnostic menu#
xx:yz
– display during the minute, i.e. when receiving bits
|
number of bits received in the current minute, |
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|
value of the last received bit (value 0 or 1) |
|
the number of consecutive telegrams received with time that were decoded without error, |
At one full minute (or if there is a pause between incoming bits of approx. 2 seconds), i.e. it is assumed that the whole telegram is received, a screen is displayed which shows the result of the telegram processing:
|
indicates successful processing of the DCF telegram, when |
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|
value |
States |
|
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|
incorrect number of received bits |
|
missing start bit for the beginning of the telegram |
|
missing start bit for time reception |
|
parity error when decoding the minutes value |
|
parity error when decoding the hours value |
|
parity error in date decoding |
|
invalid decoded time range |
|
invalid decoded date range |
Line quality diagnostics submenu#
The individual parameters are displayed as submenu items. You can browse between individual parameters by pressing the >> or PB2.
|
detected synchronization signal source type submenu |
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|
detected synchronization signal quality submenu |
|
number of synchronization signal processing errors submenu |
|
countdown of the time limit in seconds for restarting the synchronization signal detection process submenu |
|
synchronization signal processing status submenu |
Detected synchronization signal source type#
|
the synchronization source is not yet identified when auto is selected |
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|
value |
Detected synchronization signal quality#
|
the synchronisation signal is not yet correctly detected |
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|
value |
Number of synchronization signal processing errors#
|
value |
---|---|
|
counter value is greater than 99 |
Countdown of the time limit in seconds for restarting the synchronization signal detection process#
With successful signal processing, the countdown never reaches zero.
|
value |
---|---|
|
counter value is greater than 999 |
Synchronization signal processing status#
|
value |
---|
States |
|
---|---|
0 |
unknown |
1 |
line detected |
2 |
line frame detected |
3 |
line frame checked |
4 |
line time detected |
5 |
time zone detected |
GPS diagnostic submenu#
|
GPS status |
|
---|---|---|
|
GPS module error. Not present or not communicating. |
|
|
GPS not detected |
|
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2D Fix – GPS detected in 2D mode |
|
|
3D Fix – GPS detected in 3D mode |
|
|
Number of satellites used to calculate position |
|
|
Number of available satellites |
|
|
Position Determination Accuracy (PDOP) |
|
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Highest PDOP < 1.0 |
|
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High |
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Good |
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Sufficient |
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Low |
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Very Low PDOP > 20 |