EFJohnson 8500 manual Transmit Inhibit, Priority Calls, Keypad Disable

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OTHER FEATURES

from the dispatcher. A short tone sounds when this key is pressed. Contact your system operator for more information on the operation of this switch.

Transmit Inhibit

The Transmit Inhibit feature prevents the transmitter from turning on if the party you are calling is busy with another call. When the transmitter is disabled by this feature, the intercept tone also sounds and “TX INHIB” appears in the display. This feature is programmed by your system operator on Multi-Net systems only.

To make another call attempt when the transmitter has been disabled by this feature, the push-to-talk switch must be released and then pressed again. However, since a 5-second time period must expire, you may want to wait a few seconds before making another call attempt. One use of this feature is to provide an audible indication that the party you are calling is busy.

Priority Calls

Your transceiver can be programmed so that certain incoming calls have priority over other calls you may be receiving. Therefore, if a higher priority call is detected while you are listening to another call, the current call is immediately dropped and the priority call is received.

If a first priority call is received, “RX PRI1” is displayed, and if a second priority call is received, “RX PRI2” is displayed. A priority 1 message can interrupt a priority 2 message. To turn off the priority indica- tion, press any key except backlight. Priority calls occur only on Multi- Net and LTR systems, and they are received regardless of the group that is selected (as long as the system programmed for those calls is selected or scanned).

Keypad Disable

If you are having problems with front-panel keys being accidentally pressed, such as when the transceiver is carried on a belt, the keypad can

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Contents Series Safety Information Battery Recycling Information Page Quick Reference Guide Page Table of Contents Operation with Optional Remote Control Unit Front Panel Controls ControlsControls Optional Keys for Telephone Calls Front Panel Display Display InformationDisplay Information Receiving a Standard Call Standard CallsIntroduction Placing a Standard CallPlacing a Special Call Special CallsReceiving a Special Call Landside-Originated Calls Additional Phone Mode InformationDialing The Number Intercept Tone Supervisory TonesClear-To-Talk Tone Key Press ToneConfirmation Tone Proceed Dialing Tone System ScanCall Proceed Tone End Call ToneTransmitting In Scan Scan Resume DelaySystem and Group Lockout Clear-To-Talk Other FeaturesScanning Multi-Net Systems Scanning Conventional SystemsGroup Scan Time-Out TimerCall Indicator RTN Return KeyEmergency Button Keypad Disable Transmit InhibitPriority Calls High/Low Power Select Key Press Tone DisableGroup Select MULTI-NET and Conventional ModesChannel Monitoring Supervisory TonesConventional Mode Operation Transmit Disable When BusyMonitoring Before Transmitting Call Guard Squelch Receive-Only and Talk-Around ChannelsOperation with Optional Remote Control Unit Control Unit Controls Miscellaneous Operating Information Operation with Optional Remote Control Unit Miscellaneous Information Sending Status InformationAuto-Registration System Operator Programming Busy QueuingDisplay Messages Setting Volume LevelBattery Pack Rechargeable Battery PackTransceiver Speaking Into Microphone Operation At Extended RangeFCC Licensing Intrinsically Safe Classification Transceiver ServiceClassification of Atmospheres Class/ Group Classification of Areas DivisionApproved
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