Motorola GR300 service manual User Functions, Physical Description

Section 1

Introduction

User Functions

In the ZR310, assigned user numbers are the equivalent to the 70 plug-in tone cards contained in a conventional community repeater panel. The following steps describe the process the ZR310 uses to find user information.

1.The ZR310 detects a code or tone.

2.The code / tone is decoded to a user number.

3.The user number points to the area in the database containing information about that particular user. Re to Table 3-1 for code / tone to number conversion.

The user functions controlled by the ZR310 software are listed below:

•User Enable

•TPL or DPL Encode

•Reserve Mode

•TX Hang Time

•Morse ID Call Sign

•Courtesy Tone

•Co-Channel Protect Selection

•Privacy Mode

Physical Description

The ZR310 is a self-contained repeater interface component designed to fit into the top shelf of the GR300 Repeater Station.

The front panel (Figure 1-1) contains

•Audio adjustment

•TPL / Set-up adjustment

•LED indicators. to display the status of the various functions

•Programming jack, used for DTMF telephone programming or local programming with an IBM PC via an RIB programming interface

•Interconnections to the transmit and receive radios are made via the 16-pin Transmit and Receive connectors located in the rear of the panel.

March, 1993 6880902Z68-O Section 1-2