APPLICATIONS
4-8
(11) To choose another application or to cancel the current application and return to normal
operation, press [SETUP]
.
This causes the
Setup Menu
shown in Fig. 4-9 below to be
displayed. The screen is split horizontally in two, with the upper part displaying the
application mode and the lower part displaying the application cancellation selection.
Fig. 4-9 Setup menu in application mode
(12) To choose another application press
[Appl’n Menu]
which returns you to the
Applications
Selection Menu
.
(13) To cancel the current operation but retain the combiner and coupling setups, press
[No
Appl’n (mode 1)].
This enables you to temporarily leave the test (for example, to adjust the
control knob). To cancel the current operation but restore to the previous combiner and
coupling setups press
[No Appl’n (mode 2)].
Pressing either key returns you to the
Setup
Menu
with no application selected as confirmed by the screen.
Receiver selectivity application
The receiver selectivity test enables you to generate a modulated low-level RF signal to open a
receiver and a second, much higher level signal (with or without modulation) to interfere with the
received signal. A facility is provided for you to increment, at a specified channel spacing, through
the channels.
Procedure
(1) Press
[Receiver Select.]
which displays the
Receiver Selectivity
block diagram as shown in
Fig. 4-10 below.
Fig. 4-10 Receiver selectivity block diagram
