Rear Panel Jacks and Connectors | EFJohnson High Tier, LTR 98xx

CONTROLS AND DISPLAY

Speaker - The internal speaker is located behind the grille. An optional speaker can be connected to the external speaker jack located on the back. See “Speaker Jack” description which follows.

Antenna	Power	Speaker
Jack	Jack	Jack

Rear Panel Jacks and Connectors

Antenna Jack - Miniature UHF jack for connecting the 50-ohm antenna.

Power Jack - Connection point for the power cable which attaches to the vehicle battery. A nominal 12-volt DC, negative ground power source is required.

Speaker Jack - Connection point for an optional external 4.7-ohm, 5-watt speaker. The internal speaker is automatically disabled when a speaker is plugged into this jack.

Accessory Cable (Not Shown) - This optional cable is used to connect functions such as ignition switch sense and horn alert to the transceiver.

Data Cable (Not Shown) - This optional cable is used to connect data equipment such as modems and data terminals to the transceiver.

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EFJohnson High Tier, LTR 98xx manual Rear Panel Jacks and Connectors

Contents

High Tier Operating Manual Page Page Safety Information Limits For General Population/Uncontrolled Exposure FCC Exposure Limits Frequency Whip Model No Base Model No Table of Contents Table of Contents Quick Reference Guide General Features Features Front Panel Controls Controls and Display Microphone Push-To-Talk PTT Switch Not Shown Push-button on Rear Panel Jacks and Connectors Display Description Determining Volume Level Power-Up SequenceGeneral Operation Alpha Tag Display Mode Numeric Display ModeBacklight Operation System/Group Display Information Select Mode Indication With Alpha Tag Display Select Mode Indication With Numeric DisplaySelecting the System and Group Setting Squelch Control Introduction Standard CallsPlacing a Standard Call LTR Operation Receiving a Standard Call Conventional Operation Placing Telephone Calls Telephone Calls Receiving a Telephone Call Landside-Originate Calls General FeaturesBank Select Emergency Switch Call IndicatorEncryption Function FCN Switch Encryption Indicator Horn Alert Home System/Group Select Option Select Power Turn-Off Delay Proceed Clear-To-Talk Tone Time-Out Timer Stealth ModeReceive-Only Groups Option Switches Option Switches and Menu ModeTone Select Transmitter Thermal Foldback Switch Menu Mode and Option Switch Functions Using Menu Mode Menu Mode Introduction System and Group Scan System and Group Scan Scan List Programming Transmitting In The Scan Mode Scan Delay and Continue Timers System and Group Scan General LTR and Conventional Modes Monitoring Conventional Channels Before Transmitting Standard and Telephone Calls LTR FeaturesCalls on Priority and Block ID Codes Transmit Inhibit System Search Busy Queuing Transpond Monitor Mode Conventional FeaturesTransmit Disable On Busy Talk-Around Priority Group Sampling Call Guard Squelch Supervisory Tones Miscellaneous Miscellaneous LTR Telephone Call Tones Display Messages Miscellaneous Bright DIM OFF Menu Mode Messages Speaking Into Microphone System Operator Programming Operation At Extended Range Preventing Battery DischargeLicensing Transceiver Service