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Help
4.4.6
Help list all the commands available for the 5009. Note: Help with commands is not available
from the UI.
RCL
4.4.7
Recalls the synthesizer state from flash memory. All setting stored in flash memory will be
loaded into the synthesizers. This function is useful when it is desirable to restore previously
stored flash settings.
Recall is also under the File menu drop-down box in the UI.
The "reg" command can also be used to show the register values.
RST
4.4.8
This command resets both synthesizers to default factory settings. RST does not change the
Reference trim value.
SAVe
4.4.9
The SAVe command writes the current synthesizer state to flash memory. This is the state the
synthesizer will be in on the next power-up (except for baud rate).
CLEanse
4.4.10
This command cleanses all user saved data in flash (non-volatile) memory. Use this command to
"sanitize" the synthesizer. Same as RST except it also removes any user synthesizer names.
If a terminal program or Valon Configuration Manager GUI is not available then use the
following procedure to cleanse the non-volatile memory: Connect the synthesizer to a 6Vdc
power supply, then increase the input voltage to 10.0V ± 1V for >4 seconds. The blue LED LOCK
indicators will flash off and then back on indicating that the cleansing operation was successful.
4.5
MODe
Three mode types are available to each source. The mode settings are completely independent,
for example, one source can sweep while the other is fixed. NoteCW, Sweep, and Fixed have
independent attenuator settings.
The three MODe(s) are: CW, SWEep, and LIST. MODe can be sent as a single command or
combined with other commands. Typically, a source will be set to a specific mode and then
subsequent commands will be interpreted for that mode.
NOTE: The Source command is "sticky". That is, once Source 1 or Source 2 (s 1 or s 2) has been selected,
then it is no longer necessary to include the Source command in combination with any other
command.
Source <1|2>; MODe <CW >
4.5.1
Sets the selected source to the normal default CW, or single tone, mode. All subsequent
commands will be assumed to be single frequency commands. See Frequency Setting
Commands for more information.
Valon Technology 5009a Operations Manual – Version 1.38
Page 25
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