EFJohnson High Tier, LTR 98xx manual Receive-Only Groups, Stealth Mode, Time-Out Timer

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GENERAL FEATURES

Receive-Only Groups

Any group can be programmed for monitoring only (transmitting is disabled). If the PTT switch is pressed with one of these groups selected, the intercept tone sounds and “TX DSBL” is displayed.

Stealth Mode

The stealth mode disables the following tones and indicators so that they do not reveal that you are transmitting or otherwise indicate your presence. The speaker audio and display remain enabled in this mode.

All tones (see “Tone Select” on page 30)

The front panel transmit/busy indicator (see page 16) Display backlight

The stealth mode can be selected by an option switch or the STEALTH menu parameter (see page 32), or is fixed in the on or off mode by programming. There is no special indication that this mode is selected except “On” is displayed under “STEALTH” in the menu mode.

Time-Out Timer

The time-out timer disables the transmitter if it is keyed continu- ously for longer than the programmed time. It can be programmed for 0.5

-5.0 minutes or disabled entirely. If the transmitter is keyed continuously for longer than the programmed time, the transmitter is disabled, “TIMEOUT” is indicated on the lower line of the display, and the inter- cept tone sounds. The timer and tone are reset by releasing the PTT switch. Ten seconds before time-out occurs, a beep sounds to indicate that time-out is approaching. There is also a timer that can be programmed to prevent transmitting for up to one minute after time-out occurs.

One use of the time-out timer feature is to prevent a repeater from being kept busy for an extended period by an accidentally keyed trans- mitter. It can also prevent possible damage to the transmitter caused by transmitting for an excessively long period.

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Contents High Tier Operating Manual Page Page Safety Information Limits For General Population/Uncontrolled Exposure FCC Exposure LimitsFrequency Whip Model No Base Model No Table of Contents Table of Contents Quick Reference Guide General Features FeaturesFront Panel Controls Controls and DisplayMicrophone Push-To-Talk PTT Switch Not Shown Push-button on Rear Panel Jacks and Connectors Display Description General Operation Power-Up SequenceDetermining Volume Level Alpha Tag Display Mode Numeric Display ModeBacklight Operation System/Group Display InformationSelecting the System and Group Select Mode Indication With Numeric DisplaySelect Mode Indication With Alpha Tag Display Setting Squelch Control Introduction Standard CallsPlacing a Standard Call LTR OperationReceiving a Standard Call Conventional OperationPlacing Telephone Calls Telephone CallsReceiving a Telephone Call Bank Select General FeaturesLandside-Originate Calls Encryption Call IndicatorEmergency Switch Function FCN Switch Encryption IndicatorHorn Alert Home System/Group SelectOption Select Power Turn-Off DelayProceed Clear-To-Talk Tone Receive-Only Groups Stealth ModeTime-Out Timer Option Switches Option Switches and Menu ModeTone Select Transmitter Thermal FoldbackSwitch Menu Mode and Option Switch FunctionsUsing Menu Mode Menu Mode IntroductionSystem and Group Scan System and Group Scan Scan List Programming Transmitting In The Scan Mode Scan Delay and Continue TimersSystem and Group Scan General LTR and Conventional ModesMonitoring Conventional Channels Before Transmitting Calls on Priority and Block ID Codes LTR FeaturesStandard and Telephone Calls Transmit Inhibit System Search Busy QueuingTranspond Transmit Disable On Busy Conventional FeaturesMonitor Mode Talk-Around Priority Group Sampling Call Guard SquelchSupervisory Tones MiscellaneousMiscellaneous LTR Telephone Call Tones Display Messages Miscellaneous Bright DIM OFF Menu Mode MessagesSpeaking Into Microphone System Operator ProgrammingLicensing Preventing Battery DischargeOperation At Extended Range Transceiver Service