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Grecom PSR-300 User Manual

Grecom PSR-300
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PSR-300
1,000 Channel Triple Trunking Hand Held Scanner
Please read this user’s guide before installing, setting up and using your new
product.
Owner’s Manual

Table of Contents

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Grecom PSR-300 Specifications

General IconGeneral
TypeHandheld Scanner
Frequency Range25-1300 MHz
Scan Speed50 Channels per Second
Power Supply4 AA Batteries or AC Adapter
Weather ScanYes
Priority ScanYes
Battery TypeAA
Display TypeLCD
Modulation TypesAM, FM
Banks10

Summary

Scanner Features Overview

Triple Trunking Operation

Explains tracking multiple trunking systems (Motorola, EDACS, LTR) simultaneously.

Spectrum Sweeper Function

Tool for rapidly detecting, monitoring, and storing nearby radio transmissions.

High-Speed Scan/Search

Features fast scanning (60 channels/sec) and searching (78 frequencies/sec).

Priority Channel Monitoring

Allows checking a specific channel every 2 seconds to avoid missing transmissions.

FCC Compliance and Interference

FCC Compliance Statement

Explains FCC rules compliance for scanning receivers and interference mitigation.

Legal Scanning Practices

Permitted Listening Scope

Covers legal aspects of listening to radio transmissions, excluding specific types.

Prohibited Transmission Monitoring

Details transmissions that are illegal to monitor, such as encrypted or telephone conversations.

Scanner Modification and Legality

Discusses scanner design for preventing illegal reception and user responsibility.

Scanner Preparation and Power

Power Source Options

Details the three available power sources: batteries, AC adapter, and DC adapter.

Rechargeable Battery Charging

Battery Charging Requirements

Specifies AC or DC adapter requirements for charging Ni-MH/Ni-CD batteries.

External Power Connections

Using AC Power Adapter

Instructions and safety precautions for powering the scanner using an AC adapter.

Using Vehicle Battery Power

Guide for powering the scanner from a vehicle's 12V source and necessary adapter specs.

Antenna and Audio Connections

Outdoor Antenna Safety Warnings

Crucial safety warnings regarding outdoor antenna installation and potential electrocution hazards.

Scanner Controls Identification

Scanner Quick Start Guide

Spectrum Sweeper Quick Start

Quickly searches for nearby strong signals to detect transmissions.

Understanding Scanner Modes

Receive Mode Overview

Explains the seven receive modes (AM, FM, CT, DC, MO, ED, LT) and their functions.

Advanced Scanner Modes

CTCSS (CT) Mode

Uses subaudible tone codes to filter transmissions on shared frequencies.

DCS (DC) Mode

Uses digital codes for subaudible signaling, similar to CTCSS, for filtering.

Motorola (MO) Mode

Decodes talk group IDs for Motorola trunking systems.

Motorola Trunking System Details

Motorola Trunking System Types

Details Type I, Type II, and Type I/II Hybrid systems and their ID formats.

Type II ID Format Explained

Explains the FFF-SS format for Fleet ID and Subfleet ID in Type II systems.

Type II Talkgroup Identification

Explains 5-digit talkgroup IDs and their divisibility by 16.

EDACS Trunking System Operation

EDACS (ED) Mode

Decodes talkgroup IDs for GE/Ericsson trunking systems.

EDACS Frequency Organization

Frequencies are organized by Logical Channel Number (LCN) order.

EDACS Talkgroup ID Entry Formats

Details 4-digit decimal or AFS number formats for EDACS IDs.

EDACS Scanning Requirements

Emphasizes clear control channel reception and benefits of external antennas.

LTR Trunking System Operation

LTR (LT) Mode

Decodes talkgroup IDs for EF Johnson LTR trunking systems.

LTR Frequency Order

Frequencies are assigned by Home Repeater Number (HR) order for proper tracking.

LTR Talkgroup ID Format

Six-digit numbers in AHHUUU format (Area, Home Repeater, User ID).

Open and Closed Mode Operation

Mode Functionality Explained

Explains how open and closed modes affect signal reception based on talkgroup IDs.

Open Mode Reception

Hears all active talkgroups unless specifically excluded.

Closed Mode Reception

Hears only specified talkgroups whose IDs are stored and not locked out.

Setting Up Your Scanner

Turning On and Setting Squelch

Steps to power on the scanner and adjust the squelch control for clear reception.

Storing Known Frequencies

Step-by-step guide to store frequencies into memory channels.

Channel Programming Details

Frequency Entry and Storage

Details entering frequencies, handling errors, and saving data.

CTCSS and DCS Configuration

CTCSS/DCS Functionality

Enables listening to specific groups via CTCSS/DCS codes for filtering.

Programming CTCSS/DCS Codes

Explains how to manually enter or search for CTCSS/DCS codes.

CTCSS/DCS Programming Steps

Detailed steps for programming memory channels with CTCSS or DCS codes.

Trunking Frequency and Text Tagging

Storing Trunking Frequencies

Steps to program trunking frequencies for Motorola, EDACS, or LTR systems.

Finding and Storing Active Frequencies

Searching Preprogrammed Frequency Ranges

How to search within the scanner's eight preprogrammed search bands.

Advanced Frequency Searching

Searching Active Frequencies in a Range

How to program custom lower and upper limits for frequency searches.

Manual Tuning and Weather Listening

Listening to the Weather Band

Scanner's capability for receiving weather alerts and NOAA broadcasts.

Listening to a Weather Channel

How to use the WX button to scan and listen to weather channels.

SAME Standby Mode for Alerts

Configuring SAME Standby Mode

How to configure the scanner to monitor for SAME weather alerts.

Programming FIPS Codes

Steps to enter up to 10 FIPS codes for specific alert areas.

Initiating SAME Standby

How to activate SAME standby mode to monitor for alerts.

Weather Alerts and Skywarn

Skywarn Functionality

Quickly jump to Skywarn repeater frequencies for weather reports.

Copying Frequency to Specified Channel

How to copy a frequency found during search/tune to a memory channel.

Frequency Copying Procedures

Copying Frequency to Empty Channel

How to copy a frequency to a vacant channel within a bank.

Copying Frequency to Priority Channel

How to copy frequencies to the scanner's priority channel.

Spectrum Sweeper Operations

Spectrum Sweeper Purpose

A powerful tool to detect, monitor, and store nearby radio transmissions.

Sweeping Specific Frequency Ranges

Allows sweeping entire scanner range or specified ranges, omitting busy ones.

Activating the Spectrum Sweeper

Press and hold the SCAN/- button for approximately 1 second.

Spectrum Sweeper with Lockout

Lockout Feature for Spectrum Sweeper

Bypass unwanted transmissions by locking them out during sweeps.

Spectrum Sweeper Segment Skip

Special lockout mode skips 1 MHz segments with 5 or more lockouts.

Scanning Channels and Banks

Frequency Management and Deletion

Delay and Lockout Functions

Reviewing and Clearing Lockouts

Priority Channel Programming

Receive Mode and Attenuator Settings

Keylock and Display Contrast

Cloning Scanner Data

Understanding Trunking Systems

How Trunking Works

Explains trunking systems (Motorola, EDACS, LTR) and how scanners track them.

Programming Trunking Frequencies

Trunking Frequency Programming Method

Programming trunking frequencies similar to non-trunked, with specific mode selection.

Programming Motorola Trunking Systems

Programming Motorola UHF-Lo Frequencies

Steps to program Motorola trunking in the 406-512 MHz band.

Programming 800/900 MHz Motorola Trunking

800/900 MHz Motorola Programming

Steps for programming 800/900 MHz Motorola trunking systems.

Programming Fleet Maps

Fleet Map Requirement for Type I

Fleet maps are necessary for receiving Motorola Type I systems.

Talk Group ID Management

Talk Group ID Structure

Explains banks, sub-banks, and ID locations for storing talk group IDs.

Storing Talk Group IDs

Steps to manually store talk group IDs and their associated text tags.

Talk Group ID Operations

Advanced Talk Group ID Settings

Scanner Initialization and FAQs

Initializing Your Scanner

Steps to reset the scanner to factory defaults, clearing all memory.

Warranty Information

Warranty Returns Process

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