Operating Manual 6175.4760.02 – 01 3.39
M3SR Series 4100 Control and Monitoring of Radio and Control Unit
The session types are explained in detail in the following table.
Table 3.14 Session Types
The session type can be changed with the 'Session' softkey in the Home menu (see 
Figure 3.23).
Select the desired session type with the 'Session' softkey in the Home menu (see 
Figure 3.23).
Session Type Meaning Occupied Access Rights
Monitoring Operational
Monitoring
(MON)
The user has no right to change radio param-
eters, but he is able to monitor the settings. All 
the monitored settings are updated at least ev-
ery 30 sec.
Most of the settings will be updated imme-
diately as they change.
Yes No
Advanced
(ADV)
The user has the right to manipulate and mon-
itor all radio parameters.
If another control unit requests a session with 
operational access rights (ADV, FIX or LOC), 
the session of the own control unit turns into a 
monitoring session (the operational access 
rights are lost).
Yes Yes
(but can be sup-
pressed)
Fixed
(FIX)
The user has the right to manipulate and mon-
itor all radio parameters.
If another control unit requests a session of 
type Advanced or Fixed, the radio denies this 
request and the session of the own control unit 
remains Fixed.
If another control unit requests a session of 
type Local the session of the own unit turns 
into a Monitoring session (the operational ac-
cess rights are lost).
Yes Yes
(but can be sup-
pressed by LOC ses-
sion)
Local
(LOC)
The user has the right to manipulate and mon-
itor all radio parameters.
If another control unit requests a session of 
type Advanced, Fixed or Local, the radio de-
nies this request and the session of the own 
control unit remains Local.
Yes Yes