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4.3.7 Device Advanced Menu
The Reset DAQ button performs a reset on the DAQlink III hardware. The DAQlink III
must have hardware version 3.03 date 12-2003 or newer and firmware version 4.9 or newer to
perform the hardware reset.
Reset Memory button is used to reset the storage of data to the internal Compact Flash
Card. The next acquisition after a reset will be stored in the first memory location on the compact
flash card.
Erase Memory button is used to FORMAT the CF Card. This process should take only a
few seconds. The Status LED will FLASH RED while formatting. IF the Status LED continues
to FLASH RED, then the CF Card must be replaced.
Set Oscillator is used to set the internal oscillator on the DAQlink III unit. Normally
there is no reason for the end user to set the oscillator. It is set to 2047 manual value at the
factory. If a GPS unit is connected, then the automatic correction option should be selected.
GPS internal Clock connection - When using the GPS system for continuous recording it
is important to set the Oscillator to “Automatic Correction”. This allows the precise PPS timing
of the GPS unit to be used to adjust the internal clock on the DAQlink III unit.
The Manual Value entry will show the current value being used by the DAQlink III unit.
This is a digital number representing the adjustment required to the clock oscillator. It is a value
between 1 and 4095. 2048 is the center value for this number. Typically the Manual value will
show about 1800 when the clock is adjusted using the GPS time.
Figure 4.3.7 Device Advanced Menu