Basic Operation | EFJohnson 7243 LTR-Net Portable UHF guide

BASIC OPERATION

BASIC OPERATION

Power-Up Sequence

When power is turned on using the top panel on-off/volume control, the backlight turns on, all segments and icons in the display are momen- tarily enabled, and the last seven digits of the transceiver part number are very briefly displayed. A beep then sounds (if tones are enabled) and the transceiver is operational.

Backlight Operation

The display and keypad backlight automatically turns on for 3 seconds whenever power is turned on or any key is pressed. If the Back- light menu parameter is available (see page 35), selecting “On” enables this operation and selecting “Off” disables the backlight entirely.

Setting Volume Levels

The relative volume level can be determined by noting the position of the index on the volume knob. You may also be able to enable a tone or background noise for use in setting the volume as follows:

•If key press tones are enabled, a short tone sounds whenever any key is pressed.

•If a conventional system is selected and the monitor option switch is programmed (see page 49), press this switch and if someone is talking on the channel, voice is heard. If no one is talking, the squelch can be adjusted as described on page 48 and noise is heard. It is not possible to manually unsquelch the transceiver when an LTR-Net or LTR system is selected.

System/Group Display Mode

Two system/group display modes can be selected. One is a numeric format and the other is an alpha tag format. To switch between these

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EFJohnson 7243 LTR-Net Portable UHF manual Basic Operation, Power-Up Sequence, Backlight Operation, Setting Volume Levels

Contents

Operating Manual Page Safety Training Information Electromagnetic Interference/Usage Compatibility Table of Contents Table of Contents Table of Contents Busy Quick Reference Guide General Features Features Top Panel Controls Controls and Display Side Controls Display Busy UID Controls and Display FCN Scan Front Panel Keys SYS RCL Dial Standard Mode A/D Standard Mode SYS Basic Operation Power-Up SequenceSetting Volume Levels System/Group Display Mode System and Group Select Numeric Display Mode Transceiver Lock Keypad Disable Option Switches Low Battery IndicationLTR-Net, LTR, and Conventional Operation Basic Operation Call Indicator General FeaturesBank Select Proceed Clear-To-Talk Tone Home System/Group SelectReceive-Only Groups General Time-Out TimerStandard Group Calls Tone Select LTR-Net and LTR Operation Placing a Standard Group Call Receiving a Standard Group Call Conventional Operation Placing Telephone Calls Telephone Calls Receiving a Telephone Call Landside-Originate Telephone Calls LTR-NET Auxiliary CallsPlacing LTR-Net Auxiliary Calls Receiving Auxiliary Calls Menu Mode and Option Switch Functions Option Switches and Menu Mode Introduction Menu Mode Menu Mode Flowchart Selecting Dial Mode Dial ModeIntroduction Sending the Number Dialing a NumberStoring Numbers in Memory Placing Calls Without Selecting Dial Mode Exiting Dial ModeRecalling Numbers From Memory System and Group Scanning System and Group Scanning Scan List Programming Scan Delay and Continue Timers Transmitting In The Scan Mode System and Group Scanning Transmit Inhibit LTR-NET and LTR FeaturesPriority Calls Busy Queuing LTR-NET FeaturesLTR-Net Standard Calls LTR-Net Special Calls Roaming Standard Group Calls LTR FeaturesConventional Features Squelch Adjust Monitoring Before Transmitting Transmit Disable On Busy Monitor Mode Selected Call Guard Squelch Talk-Around Supervisory Tones Miscellaneous LTR-Net Special Call Tones Display Messages LTR Telephone Call Tones Miscellaneous Bank SEL Bank select Menu Mode Messages Alpha Numeric Rechargeable Battery Pack Miscellaneous Battery Charger Operation Speaking Into Microphone Charger IndicatorsOperation At Extended Range Index Transceiver ServiceLicensing Busy 14 Call 13 Index 002-7200-600