EDACS REPEATERS
2-2
Introduction
This chapter deals with using the Service Monitor for testing repeaters operating on the EDACS
trunking system. It is assumed that you are familiar with the operation of the Service Monitor in
its various modes and that it has been prepared for use as described in the main operating manual
supplied with it.
If you are unfamiliar with using the Service Monitor for EDACS system testing, it is suggested
that a short time is spent exploring the various menus and displays before connecting to a repeater.
The operating details that you require when using the Service Monitor for EDACS System
Repeater testing fall into two areas:
• Customization, where you prepare the Service Monitor before making tests. The
[SYSTEM] and [SET-UP] keys, give access to the screens and menus required for this.
• Testing, where, with the Service Monitor customized to the requirements of the particular
unit to be tested, it is connected to the Service Monitor, and automatic or manual tests are
carried out. The [PROGRAM], [AUTO], MANUAL] and [DATA] keys give access to the
screens and menus required for this.
The set-up menus of the SYSTEMS mode give you control of the parameters of the test system.
Once set to your requirements, the instrument retains the settings for both immediate and future
use.
SYSTEMS mode selection
The EDACS system is one of the system options available with the Service Monitor. The
[SYSTEM] key displays the menu of systems currently installed on the instrument. If more than
five system options are installed, a second page of selection keys is provided. The bottom right
key is designated [more], which toggles between the pages. See Fig. 2-1, on page 2-3, Syst
em
selection menus.
The [SYSTEM] key on the Avionics Communication Service Monitor 2946A gives access to
the Avionics Systems test facility as well as to the Cellular and Trunked radio
communications system test facility. If a Cellular or Trunked system is not selected
currently, pressing the [SYSTEM] key displays the untitled screen shown in Fig. 2-2 on
page 2-3. Pressing the [cell] key di
splays the SYSTEM SELECTION MENU. If a Cellular or
Trunked system is selected currently, pressing the [SYSTEM] key displays the
SYSTEM
SELECTION MENU
directly.
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