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#: ../../src/applets/measure/calibrate_clock.rst:2
msgid "``calibrate-clock``"
msgstr ""

#: ../../src/applets/measure/calibrate_clock.rst:5
msgid "CLI reference"
msgstr ""

#: ../../<autoprogram>:1
msgid "glasgow run calibrate-clock"
msgstr ""

#: ../../<autoprogram>:1
msgid "Measure clock accuracy against a stable external reference signal."
msgstr ""

#: ../../<autoprogram>:1
msgid "By default measures the internal Glasgow system clock. With ``--ext-pin``, measures a second clock source (e.g. Si5351A output) against the reference instead."
msgstr ""

#: ../../<autoprogram>:1
msgid "Measure system clock vs GPS PPS reference (1 Hz) on pin B1:"
msgstr ""

#: ../../<autoprogram>:1
msgid "The reference input expects a signal that crosses the logic threshold cleanly. A 2 V pk-pk sine centred at 1 V works well with the I/O bank set to 2 V."
msgstr ""

#: ../../<autoprogram>:1
msgid "Measure system clock vs Rubidium reference (2^23 Hz) on pin B1:"
msgstr ""

#: ../../<autoprogram>:1
msgid "Measure Si5351A 10 MHz output on A0 vs same Rb reference on B1:"
msgstr ""

#: ../../<autoprogram>:1
msgid "Apply a known rough correction to the baseline before measuring:"
msgstr ""

#: ../../<autoprogram>:1
msgid "show this help message and exit"
msgstr ""

#: ../../<autoprogram>:1
msgid "configure I/O port voltage to SPEC (e.g.: '3.3', 'A=5.0,B=3.3', 'A=SA')"
msgstr ""

#: ../../<autoprogram>:1
msgid "stable reference clock input pin (e.g. B1 for Rb standard) (required)"
msgstr ""

#: ../../<autoprogram>:1
msgid "optional external clock to measure (e.g. A0 for Si5351A output); if omitted the system clock is measured (optional)"
msgstr ""

#: ../../<autoprogram>:1
msgid "exact frequency of the reference clock in Hz (e.g. 8388608 for 2^23 Hz)"
msgstr ""

#: ../../<autoprogram>:1
msgid "nominal frequency of the external clock in Hz (required with --ext-pin)"
msgstr ""

#: ../../<autoprogram>:1
msgid "nominal system clock frequency in Hz (default: 48000000)"
msgstr ""

#: ../../<autoprogram>:1
msgid "gate window duration in seconds; longer gives more resolution (default: 10)"
msgstr ""

#: ../../<autoprogram>:1
msgid "initial PPM correction applied to the nominal frequency before measuring (default: 0.0)"
msgstr ""

#: ../../<autoprogram>:1
msgid "number of measurements to take then exit (default: 0 = run forever)"
msgstr ""

#: ../../src/applets/measure/calibrate_clock.rst:14
msgid "API reference"
msgstr ""

#: glasgow.applet.measure.calibrate_clock.CalibrateClockInterface:1 of
msgid "Software interface for the clock calibration applet."
msgstr ""

#: glasgow.applet.measure.calibrate_clock.CalibrateClockInterface.measure:1 of
msgid "Wait for one gate window and return a result dict."
msgstr ""

#: glasgow.applet.measure.calibrate_clock.CalibrateClockInterface.measure:3 of
msgid "The gateware sends cumulative counter snapshots; we subtract consecutive snapshots to get the counts for each window.  The first snapshot is used only as a baseline and is discarded."
msgstr ""

