User`s manual

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are stored in nonvolatile memory on an unknown unit.) If “No” is selected, then
the most recent software configuration will be “pushed” down to the hardware,
and the hardware will begin running at the settings that were in the software prior
to connection. Note that “pushing” software settings will not overwrite the
nonvolatile memory – if you were to disconnect, the unit would return to its stored
settings unless you explicitly re-program its nonvolatile memory.
You can only have one MicroDAC 5 powered up and connected to the PC at any
given time.
5.10 Programming the MicroDAC 5
Once the MicroDAC 5 is connected to the software, you can program it at any
time by clicking on the “File” menu and then selecting “Program MicroDAC 5”.
By programming the MicroDAC 5, you are taking the current settings in the
software and storing them in the nonvolatile memory of the hardware. This
enables the MicroDAC 5 to be disconnected from the PC, turned off, and
deployed. Now, when the unit powers on, it will reload the settings that you
programmed into its memory.
If you attempt to disconnect from the hardware without programming the latest
settings, the software will display a prompt asking if you wish to do so. This is to
help prevent the user from accidentally neglecting to program the unit upon
disconnect. If you choose to program, the latest software settings will be
programmed and the unit will continue to run at these settings after it is
disconnected. If you choose not to program, the unit will revert to its
programmed settings upon disconnect.
To protect against inadvertent changes in the programmed settings, the PC
always programs the nonvolatile memory into the “locked” state. In order to
change the channel mode or bandwidth in a tactical situation after PC
programming, the user would have to unlock the device (see section 3.1.5).
Once a unit is programmed, there are only two ways to change its nonvolatile
memory state:
1. Reconnect to the PC and reprogram the unit, or
2. Unlock the unit and use the front panel filter controls to change the
behavior.
Important Note: Once the unit is unlocked, any changes made using the front
panel filter controls are preserved in the nonvolatile memory. This behavior
allows the unit to maintain its current operational state in the event of an
unexpected power loss.