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8.4 Command Reference
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■ Queries the frequency auto range.
Syntax
FREQuency:AUTO?
Function
Returns as "ON" or "OFF" whether or not the frequency auto ranging is
presently enabled.
Note
With this query, if any error occurs, no response message is produced.
Response
syntax
Headers: ON
Headers: OFF
":FREQUENCY:AUTO_<ON/OFF>"
"<ON/OFF>"
Errors
･ Query error/ If the response message is longer than 1000 bytes.
･ System error/ This query is not executed. A device dependent error occurs.
Example
Transmission
Response
Headers: ON
Headers: OFF
":FREQ:AUTO?"
":FREQUENCY:AUTO ON"
"ON"
■ Sets the frequency range.
Syntax
FREQuency:RANGe_<NR3>
<NR3>
500.0E+0, 100.0E+3
Function
･ Sets the frequency range. The units are hertz (Hz).
･ <NR3> can be accepted in NRf format, but its effective value will be obtained
by rounding off the sixth digit on the basis of 5 and above being rounded up
and 4 and below being rounded down.
Notes
･ If an invalid value is specified, the specified value is set to a range which can
be measured. If, however, the range full scale value is exceeded, then the next
higher range is set.
･ Units (Hz) cannot be set.
Errors
･
Execution error/ If the setting exceeds maximum range or it is negative value.
･
Command error/ If the setting data is not in NRf format
･ Device dependent error/
① In the event of a system error
② If this command is executed in the hold state (HOLD indicator lit or
flashing)
Example
Transmission
":FREQ:RANG 500.004E+0"
The range is set to 500 Hz by rounding off.
Transmission
":FREQ:RANG 100.0E+3"
The range is set to 100 kHz by rounding off.
FREQuency:AUTO?
FREQuency:RANGe
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