EFJohnson 7243 LTR-Net Portable UHF manual Monitor Mode Selected, Transmit Disable On Busy

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CONVENTIONAL FEATURES

Busy

Indicator

BUSY

Monitor Mode

There may be times when the Busy indication is displayed even though no one is using the channel. Monitoring should then be performed using the monitor mode. This mode is enabled and disabled by pressing the Monitor option switch (see page 35), and is indicated by in the display as shown in the following illustration. When the monitor mode is selected, both Call Guard squelch (see page 51) and scanning are disabled so that any activity on the group is heard.

Monitor Mode

Selected

A conventional system must be selected to enable monitoring. If the Monitor option switch is pressed with an LTR-Net or LTR system selected, scanning halts but monitoring is not enabled. If the monitor option switch is not programmed, the monitor mode is not selectable and monitoring is performed automatically as follows.

Transmit Disable On Busy

The Transmit Disable On Busy feature automatically disables the transmitter if the selected group (channel) is busy and it has not been monitored when the PTT switch is pressed. When the transmitter is disabled by this feature, the busy tone sounds briefly and “DSBL BSY” is indicated in the display as follows:

50

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Contents Operating Manual Page Safety Training Information Electromagnetic Interference/Usage Compatibility Table of Contents Table of Contents Table of Contents Busy Quick Reference GuideGeneral Features FeaturesTop Panel Controls Controls and DisplaySide Controls Display Busy UIDControls and Display FCN Scan Front Panel KeysSYS RCL Dial Standard Mode A/D Standard Mode SYS Setting Volume Levels Power-Up SequenceSystem/Group Display Mode Basic OperationSystem and Group Select Numeric Display ModeTransceiver Lock Keypad DisableOption 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 Standard Group Calls Time-Out TimerTone Select GeneralLTR-Net and LTR Operation Placing a Standard Group CallReceiving a Standard Group Call Conventional OperationPlacing Telephone Calls Telephone CallsReceiving 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 ModeIntroduction Menu ModeMenu 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 ModeSystem and Group Scanning Transmit Inhibit LTR-NET and LTR FeaturesPriority Calls LTR-Net Standard Calls LTR-NET FeaturesLTR-Net Special Calls Busy QueuingRoaming Conventional Features LTR FeaturesSquelch Adjust Standard Group CallsMonitoring Before Transmitting Transmit Disable On Busy Monitor Mode SelectedCall Guard Squelch Talk-AroundSupervisory Tones MiscellaneousLTR-Net Special Call Tones Display Messages LTR Telephone Call TonesMiscellaneous Bank SEL Bank select Menu Mode MessagesAlpha Numeric Rechargeable Battery PackMiscellaneous Battery Charger Operation Speaking Into Microphone Charger IndicatorsOperation At Extended Range Index Transceiver ServiceLicensing Busy 14 Call 13 Index 002-7200-600