Midland P25 User Manual

www.midlandradio.com
Operations Manual for the P25
Base Tech III Base/Repeater Station
January 2009
Version 5.1
680-090-2042

Midland P25 Specifications

General

Brand	Midland
Model	P25
Category	Portable Radio
Language	English

Summary

Key Control Functions

Radio Programming Requirements

Software and Cable for Programming

Specifies the required software (91-1480CD) and cable (91-1303B).

Channel Selection Procedure

Selecting Radio Channels

P25 Calling Selection

Group, All, and Individual Calls

Explains P25 call types and how to select them.

Individual Call Entry

Step-by-step guide for entering individual unit IDs for calls.

P25 PTT Mode Selection

How to switch between Analog and Digital PTT transmission modes.

Advanced SBC Functions

Emergency Mode Operations

Procedures for sending and clearing emergency calls.

Call Alerts and Radio Checks

Sending alerts and checking radio operational status.

Radio Inhibit and Uninhibit

Disabling and re-enabling subscriber units remotely.

Status Updates and Requests

Managing and querying unit status messages.

Predefined Messages and Radio Monitor

Sending system messages and monitoring radio audio.

Telephone Interconnect and SBC Log

P25 Squelch and Key Features

P-25 Squelch Adjustment

Specialized Transmissions

Manual CWID and DTMF Operations

Operational Modes: Repeat and Base

Repeat Mode Operations

Configuration for repeat operations in different signal types.

Base Mode Operations

Configuration for base station operations in different signal types.

Remote Control and Testing

Remote Control Capabilities

P-25 Test Mode Operations

Performing various transmitter tests and BER measurements.

System Adjustments and Diagnostics

Adjustment Modes