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R & S E K 8 9 5 / R & S E K 8 9 6
User Manual
f
BFO Frequency
3.1.13 BFO Frequency
Note:
For modulation modes CW, FSK, AFSK and FAX
only.
If the LED assigned to the LED BFO is illu>
minated, the BFO frequency can be altered by
means of the tuning knob (R&S EK 895), the
step keys (R&S EK 896) or via the numeric
keypad (both R&S EK 895 and R&S EK 896). The
currently effective BFO frequency is indicated
in the BFO field. There is no display in
modulation modes AM, F7B, FM and ISB.
By shifting the cursor with the aid of the cursor
control keys the stepwidth of the tuning knob
is altered.
Cursor position Stepwidth
5.00
0.01
5.0
0 0.1
5
.00 1
3.1.13.1 Entering the BFO Frequency
Upon actuation of the key BFO the following
display appears:
BFO _ KHZ
The flashing cursor (_) indicates that an entry is
being expected. Enter a new BFO frequency via
the numeric keypad.
Range of entry: . . . . . . . >5.00 to 5.00 kHz
Resolution: . . . . . . . . . . 10 Hz
Entry: . . . . . . . . . . . . . . . in kHz
3.1.13.2 Inverting the BFO Frequency
Actuate key +/>.
3.1.13.3 Altering the BFO Frequency by
Using the Tuning Knob (EK 895)
If the LED BFO is not illuminated, actuate key
BFO. Upon actuation of the key BFO the
following display appears:
BFO _ KHZ
If the frequency (e 5 kHz) is to be increased
turn the tuning knob clockwise.
If the frequency (f >5 kHz) is to be reduced
turn the tuning knob counter>clockwise.
3.1.13.4 Altering the Tuning Knob
Stepwidth by Using the Cursor
Control Keys (EK 895)
If the LED BFO is not illuminated, actuate key
BFO. Upon actuation of the key BFO the
following display appears:
BFO _ KHZ
If the stepwidth (f 0.01) is to be reduced
actuate key Æ.
If the stepwidth (e 1) is to be increased
actuate key ¨.
Once the minimum or maximum value is
reached, the display does not change any
further for actuation of the respective key ¨
or Æ.
3.1.13.5 Altering the BFO Frequency by
Using the Step Keys (EK 896)
If the LED BFO is not illuminated, actuate key
BFO. Upon actuation of the key BFO the
following display appears:
BFO _ KHZ
If the frequency (f >5 kHz) is to be reduced
actuate step key Ø.
If the frequency (e 5 kHz) is to be increased
actuate step key ≠.
6164.0717.02_01
> 3.32 >
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