Rohde & Schwarz CMU-K20, Operating Manual

Page: 207 / 646

CMU-K20/K21/K22/K23/K24
Signalling: Receiver Quality Measurements
1115.6088.12 4.129 E-12
Measurement Menu (Receiver Quality)
The
Receiver Quality
menu shows the results and the most important parameters of the
Receiver
Quality
measurement.
•
The measurement control softkey
BER
(which changes to
BER Average
,
Neighbor Cell
or
BLER
if
one of these applications is selected) controls the
Receiver Quality
measurement, indicates its
status
(RUN, HLT, OFF)
and opens the configuration menu
Receiver Quality Configuration
. The
hotkeys associated to the measurement control softkey define the scope of the measurement.
•
The softkeys
Application, Analyzer Level, MS Signal, BS Signal, Network
and
Menus
on the right
softkey bar are combined with various hotkeys. When a softkey is selected and an associated
hotkey pressed, a popup window appears which indicates a setting or enables an entry.
•
In the tables in the center of the menu, the test settings of the current
Receiver Quality
measurement and the results are displayed.
The measurement menu
Receiver Quality
is opened from the
Menu Select
menu (with the associated
key at the front of the instrument) or from the menu group
GSM400/850/900/1800/1900-MS Signalling
using the hotkey
Receiver Quality
.
Menu Select Menu Select
Fig. 4-60 Receiver Quality (BER)
Test Settings
The
Analyzer Level
and
Menus
test settings and most of the
MS Signal
and
BS Signal
settings are
identical with those in the
Power
menu (see section
Test Settings
on page 4.98 )
.
The following
softkey/hotkey combinations differ from the
Power
measurement:
BER
The
BER
softkey controls the receiver quality measurement in the BER application
and indicates its status
(RUN | HLT | OFF)
.
This status can be changed after softkey selection (pressing once) by means of the
ON/OFF
key or the
CONT/HALT
key. The status of the measurement is unaffected
upon switchover to other menus controlling a
Receiver Quality
measurement,
however, a running measurement is restarted.
Remote control
INITiate:RXQuality:BER
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