Embraer EMB145 Operation Manual page 2253

RADIO MANAGEMENT SYSTEM (RMS)
The EMB-145 models are equipped with a Radio Management System
(RMS) that provides management of the following equipment and
associated functions:
− Dual VHF COM
− Dual VHF NAV (VOR, LOC, GS and Marker Beacon)
− Single or dual (optional) ADF
− Single or dual (optional) Transponder (ATC and Mode S)
− TCAS
− MLS (optional)
− Single or dual (optional) DME (including DME Hold)
− Digital Audio Panel
The RMS consists basically of the following major components:
− Remote mounted:
− Integrated Navigation Unit (INU)
− Integrated Communication Unit (ICU)
− Cockpit Mounted:
− 2 Radio Management Unit (RMU)
− 1 Tuning Backup Control Head (TBCH)
− 3 Digital Audio Panel (DAP)
With the exception of the Digital Audio Panel, all components of the
RMS are connected through the digital Radio System Buses (RSB)
that allows complete control and information exchange between the
units of the entire RMS. Audio switching control is provided by means
of the controls on the Digital Audio Panel itself. The audio signals are
transmitted from the remote units to the Digital Audio Panel through
dedicated digital audio buses.
The navigation and communication data are displayed on the RMU,
PFD and MFD displays.
MARCH 30, 2001
AIRPLANE
OPERATIONS
MANUAL
NAVIGATION AND
COMMUNICATION
Page
1
2-18-05
Code
01