GPS
G lobal P ositioning S ystem
System for position finding with
the aid of satellites
GSM
G lobal S ystem for M obile or
also G lobal S tandard of M obile
communication
International standard for mobile
telecommunication.
LW
L ong W ave
Certain relatively low frequency
range within which radio signals
are transmitted (compare UHF and
MW).
MW
M edium W ave
Certain frequency range within
which radio signals are transmitted
(compare UHF and LW).
POI
P oints of I nterest
Locations of geographic or tourist
interest.
PTY
P rogram Ty pe
RDS feature describing the
program contents of the radio
station (pop, culture, classics,)
RDS
R adio D ata S ystem
Standard for transmission of
information via FM radio station
(station name, e.g. SWR3 or
program type (see PTY),)
TCS
T raffic C enter S ervice
Standard for transmission of
traffic information via cellular
telephone network. Presently not
used by Audio 30 APS (status:
3/99)
TMC
T raffic M essage C hannel
Standard for FM / RDS
transmission of traffic
information. Presently not used by
Audio 30 APS (status: 3/99)
TP
Traffic Program
RDS feature. Indicates that the
station tuned in is a traffic station.
UKW
Ultra-high frequency
Certain frequency range within
which radio signals are transmitted
(relatively high frequency,
compare LW and MW).
ZE
Destination entry
Entry of town and street name for
desired trip destination.
ZF
Guidance
Function of navigation system.
Other terms:
Intermediate frequency
The IF signal is required for the
antenna diversity function. With
this function the antenna with the
best reception is automatically
selected on vehicles with a system
of FM antennas. This function is
2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me