R&S ESCI Receiver – FREQ Key
1166.6004.12 4.7 E-2
Operation on a Discrete Frequency
Setting the Receive Frequency and the Scan Range
The FREQ key opens the FREQUENCY menu for setting the receive frequency in manual mode and
the frequency axis for scan display.
FREQ menu
START
RECEIVER
FREQUENCY
STOP
STEPSIZE
FREQ
AUTO
FINE
STEPSIZE
MANUAL
AUTO
COARSE
STEPSIZE
= FREQ
RECEIVER
FREQUENCY
The RECEIVER FREQUENCY softkey activates the entry field of the receive
frequency.
The tuning frequency has to be set to at least twice the IF bandwidth.
When the tuning frequency is lower than twice the IF bandwidth, the IF bandwidth
is automatically reduced so that this condition is met again.
If the frequency is increased again, the original IF bandwidth is restored (memory
function). The memory is cleared when the IF bandwidth is manually changed.
The resolution of the receive frequency is always 0.1 Hz.
Range: 9 kHz ≤ f
rec
≤ f
max
Note: This softkey is also available in the RECEIVER menu.
IEC/IEEE-bus command :FREQ:CENT 300 MHz
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