Rohde & Schwarz 890 Series - Page 234

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 Fault Recognition Through Switch>on
The built>in equipment test (BIT, see 4.2.2.4) is
initiated.
Once the BIT is terminated successfully, the last
basic receiver setting will be reactivated and
the main menu (see Fig. 4.7 [R&S EK 895] or Fig.
4.8 [R&S EK 896]) will be displayed.
In the operating mode FIXED CHANNEL the dis>
play CHANNEL MODE EXIT will appear instead
of the main menu.
Æ If a BIT message is displayed, eliminate the
fault acc. to 4.2.1.2.
If the receiver does not work and the faulty
module is not indicated by the appropriate
fault message, replace the following modules
and options, if available, one after another
until the fault is eliminated:
f Replace processor acc. to 4.3.5.
f Replace optional 'TTY Line Current Source
R&S GH 890' acc. to 4.3.10.
f Replace optional 'BCD Interface
R&S GC!890' acc. to 4.3.11.
f Replace optional 'Preselection
R&S FK!890H1' acc. to 4.3.12.
f Replace optional 'IF Processor R&S GM 893'
acc. to 4.3.14.
f Replace optional 'Digitally Tuned RF Selec>
tor R&S FK 896D' acc. to 4.3.15..
6164.0717.02_01
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