V L F > H F R E C E I V E R S
f
R & S E K 8 9 5 / R & S E K 8 9 6
User Manual
f
General
3. Operation
3.1 Control Unit 2 ∫LOCAL∫ (R&S EK 895, = Option 'Control
Unit R&S GB 890') or Control Unit (R&S EK 896)
(see Fig. 3.1 for EK 896 or Fig. 3.2 for EK 895)
3.1.1 General
Local control is carried out via
f Keys with a fix function (hardkeys),
f Multi>functional keys (softkeys),
f Switches,
f Controls and a
f Tuning knob.
All essential receiver settings can be entered di>
rectly:
f Frequency
f Channel
f BFO frequency
f Passband tuning / notch filter
f Modulation mode
f Type and time of control
f Bandwidth
The technical data stated in the data sheet are
guaranteed for frequencies as of 10 kHz.
For entries via the numeric keypad the follow>
ing should be observed:
f Entries can be corrected at any time by ac>
tuation of key CLR.
f Entry of leading zeros is not required (0.04
= .04).
f Entry of zeros following the decimal point
is not required (1 = 1.000).
f Complete entries are to be terminated by
actuating key ENT or softkey ENT or NEXT.
f Entries outside the permitted entry range
will not be accepted.
f If within approx. 5 s no entry is made for
frequency, BFO frequency or channel, the
initial indication will be displayed again.
For R&S EK 895 only:
The softkeys obtain their different functions
either by selection from the menu (software)
or via previous actuation of the ENT key (spe>
cial functions menu 1).
The LEDs assigned to keys FRQ, BFO and CH in>
dicate which function the tuning knob and the
numeric keypad currently have an effect upon.
If the LED assigned to key FRQ or BFO is illu>
minated, the stepwidth of the tuning knob can
be altered by means of the cursor control keys
(Æ and ¨).
For illumination of the LED assigned to key
NOTCH / PBT the notch filter frequency and /
or the frequency shift can be altered by using
the tuning knob.
Once the maximum or minimum value is
reached, turning the tuning knob further will
have no effect on the indication (this does not
apply to the channel number!).
For R&S EK 896 only:
The softkeys obtain their different functions
either by selection from the menu (software)
or via keys MENU 1 (separate functions menu
2) as well as PUT and GET (master / slave oper>
ation).
6164.0717.02_01
> 3.1 >