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Rohde & Schwarz 890 Series - A1.5

Rohde & Schwarz 890 Series
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V L F > H F R E C E I V E R S
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R & S E K 8 9 5 / R & S E K 8 9 6
User Manual
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Altering the Direction of Rotation for the HF Control
A1.5 Altering the Direction for Rotation for the HF Control
(EK 896 only)
1. Carry out preparations acc. to A1.1.
2. Undo and remove four screws (see Fig.
A1.11) fixing the control unit.
3. Carefully pull control unit out to the front
until plug X20 and male connector strip
X20 are accessible.
4. Pull socket from X20.
5. Pull off female connector strip from X5.
6. Pull control unit entirely out and remove.
7. Undo and remove eleven screws fixing the
keypad.
8. Push locking devices of 20>way male con>
nector strip X20 off to left and right.
9. Pull off female connector strip (part of rib>
bon cable W33).
10. Disconnect female connector strip from 3>
way male connector strip X6.
11. With the aid of two jumpers (see Fig.
A1.12) alter the direction of rotation of the
HF control as follows:
Gain increases by turning the control
counter>clockwise clockwise*).
X11 on 1>2 X11 on 2>3
X12 on 1>2 X12 on 2>3
X11
X12
X11
X12
12. Once the new setting has been made carry
out steps 1 to 10 in the reverse order.
*) Basic setting ex works
6164.0717.02_01
> A1.6 >

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