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Table 2: Synthesizer RS232 Serial Commands (2965AR only)
Serial Command
F xx.xxxxxxxxxxxx Set Frequency in MHz to nearest 1µHz. Decimal point required.
E x
S
Reset
RbR
C
Qr
Qe
NOVATECH INSTRUMENTS, INC.
Serial Echo Control. x=D for Echo Disable, x=E for Echo Enable. Default
is Enabled.
Save current state into EEPROM and sets valid flag. State saved is used as
default upon next power up or reset.
Reset. This command resets the instrument. EEPROM data is preserved
and, if valid, it is used upon restart. (The command 'R' also performs this
function.)
Reset the Rubidium Oscillator. This sets the internal Rubidium settings to
the last internally saved values. Does not affect the synthesizer output.
Restarts 1pps tracking time.
Clear. This command clears the EEPROM valid flag and restores all
factory default values (5MHz output).
Query the volatile (RAM) memory storage. These are the values currently
output by the synthesizer. These will equal the stored values in the
EEPROM after a 'Reset' or power up only if no changes have been
made in the settings.
Query the non-volatile memory (EEPROM) storage.
Function
4
2960AR/2965AR Manual, 13-Jul-2004
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