Rohde & Schwarz CMU-K20, Operating Manual

Page: 169 / 646

CMU-K20/K21/K22/K23/K24
Signalling: Setting up a Connection
1115.6088.12 4.91 E-12
CMU in the state Signal On
(BS Signal)
•
The
Network
code
•
Selected AF and RF connectors and external attenuation
(AF/RF )
•
Status and result of wideband peak power measurement
(Wideband Power)
Besides, it contains softkeys which lead to other operating modes or signalling states:
•
Select another operating mode of the MS, e.g. (E)GPRS mode
(Network Support
and
Main Service)
•
Activate the control channel signal to which the mobile station can synchronize
(Signal On)
The popup menu
Connection (Signal Off)
is opened when the function group
GSM-MS Signalling
is
selected, or if the control channel signal is switched off
(Signal Off
softkey
)
while the system is in
another signalling state. It is replaced by the
Connection (Signal On)
menu after the control channel
signal on the CMU is switched on (Softkey
Signal On,
see
Fig. 4-41
).
Fig. 4-42 Connection Control – Connection (Signal Off)
The parameter overview in the left half of the menu is also indicated in the other
Connection
tabs and is
described in section
Connection Control with Call Established
on p. 4.148 ff. Some parameters are not
always available, depending on the current and previous signalling states and settings. In this case the
table shows invalid or unavailable settings ("---").
Header Message
A Header Message (here:
Press the Signal On key to enable the synchronization
signal (BCCH))
displayed on top of each
Connection
tab informs on the current
instrument state or indicates how to proceed to get to other signalling states.
Signal
On
The
Signal On
softkey switches on a control channel signal to which the mobile
station can synchronize. By switching on the signal, the CMU changes to the
signalling state
Signal On
. A user prompt below the header indicates the function of
this softkey.
Remote control
PROCedure:SIGNalling[:CSWitched]:ACTion SON
深圳德标仪器
135-1095-0799