E.F. Johnson Company 98xx LOW TIER Скачать руководство пользователя страница 13 | Manualshive

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CONTROLS AND DISPLAY

13

Front Panel Display

Channel Number Display - Indicates the selected channel number. Up to
sixteen channels can be selected using the CHL switch (see “Channel
Select and Display” on page 14).

Transmit Indicator (Red) - Indicates that the transmitter is keyed.

Call Indicator (Yellow) - Indicates that a call has been received on a
channel programmed for a call indicator (see page 21). To turn this indi-
cation off, press any key.

Scan Indicator (Green) - Indicates that scanning has been enabled (see
page 25).

"

"- Indicates that scanning is occurring.

"

" - Indicates that the displayed channel is not in the scan list (not

scanned).

Upper Decimal Point - Indicates that the function controlled by the
AUX1 key is enabled.

Lower Decimal Point - Indicates that the function controlled by the
AUX2 key is enabled.

Transmit (Red)

Call (Yellow)

Scan (Green)

Scan List Status

Scan Occurring

Channel Number

Aux1

Aux2

+
–

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Содержание 98xx LOW TIER

Страница 1: ...98xx LOW TIER LTR CONVENTIONAL OPERATING MANUAL Part No 002 9801 201 November 1999 ...

Страница 2: ......

Страница 3: ...unded in 1923 designs manu factures and markets radio communication products systems and services worldwide E F Johnson produces equipment for land mobile radio and mobiletelephone services which include business industrial government public safety and personal users Viking Head EFJohnson logo LTR and Call Guard are registered trademarks of the E F Johnson Company All other company and or product ...

Страница 4: ...stationary radio base station or marine radio when a person is within one 1 meter of the antenna DO NOT operate the radio in explosive or flammable atmospheres The transmitted radio energy could trigger blasting caps or cause an explosion DO NOT operate the radio without the proper antenna installed DO NOT allow children to operate or play with this radio NOTE The above warning list is not intende...

Страница 5: ...e Exposure MPE A Limits For Occupational Controlled Exposure Frequency Range MHz Electric Field Strength E V m MagneticField Strength H A m Power Density S mW cm22 Averaging Time E 2 H 2 S minutes 0 3 3 0 614 1 63 100 6 3 0 30 1842 f 4 89 f 900 f2 6 30 300 61 4 0 163 1 0 6 300 1500 f 300 6 1500 100 000 5 6 B Limits For General Population Uncontrolled Exposure Frequency Range MHz Electric Field Str...

Страница 6: ... individuals are not exposed to radio fre quency energy or magnetic fields in excess of the guidelines set forth in Table 1 NOTE If the installer or user changes the type or location of the antenna they should be aware of the MPE guidelines shown in Table 1 and take measures to comply with those guidelines Table 2 Recommended Antenna Whips and Bases Antenna Manufacturer Antenna Specialists Frequen...

Страница 7: ... 14 STANDARD CALLS 15 Introduction 15 Placing a Standard Call 16 Receiving a Standard Call 17 TELEPHONE CALLS 17 Introduction 17 Placing a Telephone Call 18 Receiving a Telephone Call 19 Landside Originate Telephone Call 19 GENERAL FEATURES 20 AUX1 and AUX2 Switches 20 Call Indicator 21 Encryption 21 Home Channel Select 22 Horn Alert 22 Option Select 23 Power Turn Off Delay 23 Proceed Clear To Tal...

Страница 8: ...g 30 LTR FEATURES 30 Transmit Inhibit 30 Busy Queuing 31 System Search 31 Transpond 32 Priority and Block ID Codes 32 CONVENTIONAL FEATURES 33 Monitor Mode 33 Transmit Disable On Busy 33 Talk Around 34 Call Guard Squelch 34 Priority Channel Sampling 34 MISCELLANEOUS 35 Supervisory Tones 35 LTR Telephone Call Tones 37 Dealer Programming 37 Speaking Into Microphone 38 Operation At Extended Range 38 ...

Страница 9: ...ss any button or cycle power Monitor Before Transmitting Conventional Only Take microphone off hook to enable monitor mode or press AUX1 AUX2 if programmed for monitor The channel is busy if someone is talking see page 30 The AUX1 and AUX2 switches can each be programmed to control one of the following The on indicator for each switch is shown in the above illustration Transmit Red Call Yellow Sca...

Страница 10: ...eceive only channels Companding optional Encryption optional LTR Features Busy queuing telephone calls only System search telephone calls only Transpond Transmit inhibit Receive priority calls Conventional Features User adjustable squelch level Call Guard squelch control Talk around First and second priority channel sampling Transmit disable on busy Monitor mode Repeater talk around NOTE Some of t...

Страница 11: ...he upper part of the switch increases the selected channel by one and pressing the lower part decreases the channel by one Holding the switch down causes the function to repeat SCAN Switch Turns scanning on and off see page 25 A D Add Delete Switch Programs the channel scan list The displayed channel is deleted from the scan list and not scanned when is displayed see page 26 AUX1 AUX2 Auxiliary Sw...

Страница 12: ...ck 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 4 ohm 5 watt external speaker The front panel speaker is automatically disabled when a speaker is connected to this jack Accessory Cable Not Shown This optional cable in...

Страница 13: ...annel programmed for a call indicator see page 21 To turn this indi cation off press any key Scan Indicator Green Indicates that scanning has been enabled see page 25 Indicates that scanning is occurring Indicates that the displayed channel is not in the scan list not scanned Upper Decimal Point Indicates that the function controlled by the AUX1 key is enabled Lower Decimal Point Indicates that th...

Страница 14: ...ribed in Setting Squelch Level on page 14 and noise should be heard When an LTR channel system is selected the receiver cannot be manually unsquelched Channel Select and Display Channels are selected by pressing the CHL up down switches The channel number displayed is actually one of up to sixteen system group combinations that can be programmed If the selected system group is programmed for LTR o...

Страница 15: ...es 4 To select the current level and exit this mode press the AUX1 AUX2 switch again This also occurs automatically 2 seconds after a change is made or 8 seconds after no activity 5 If both narrow band and wideband channels are programmed perform this adjustment with each channel type selected because separate settings are maintained for each NOTE If weak messages are not heard or if unsquelching ...

Страница 16: ...4 it sounds shortly after the PTT switch is pressed and it indicates that the radio system was successfully accessed If the proceed tone is not enabled no tone sounds when the system is successfully accessed The proceed and other tones may have been disabled as described in Tone Select on page 25 If the radio system is busy the busy tone sounds see page 35 If you continue to press the PTT switch t...

Страница 17: ...r power on and set the volume as described starting on page 14 With conventional operation also set the squelch as described on page 14 2 Select or scan the channel programmed for the call you want to receive see page 25 for more information on scanning 3 When the message is received take the microphone off hook and press the PTT switch to talk and release it to listen If scanning a response may n...

Страница 18: ...ons are indicated as described in Placing a Standard Call on page 16 The following additional features are available when making telephone calls Busy If the radio system is busy busy tone sounding and the Busy Queuing feature is programmed on the selected channel it is automat ically selected when the PTT switch is released Refer to page 31 for more information on busy queuing Out of Range An out ...

Страница 19: ...wer on and set the volume as described starting on page 14 2 Select or scan the channel programmed for telephone calls 3 When ringing is heard press the PTT switch and respond The PTT switch must be pressed to talk and released to listen as with standard calls 4 When the call is finished it should be terminated as in step 6 of the preceding section Landside Originate Telephone Call Calls can be pl...

Страница 20: ... may vary depending on the type of interconnect equipment in use in your system GENERAL FEATURES AUX1 and AUX2 Switches The front panel AUX1 and AUX2 Auxiliary switches can each be programmed to control one of the features listed below The other two option switches SCAN and A D have fixed functions or are disabled Squelch adjust see page 14 Horn alert see page 22 Monitor see page 33 Home channel s...

Страница 21: ...nitored by casual eavesdropping and analog scanners It does this by encrypting your voice so that it can be understood only by someone using a transceiver equipped with a similar encryption device Each LTR and conventional channel can be programmed for encryption Then when one of these channels is selected encryption is automatically enabled Encryption can be manually enabled or disabled if the AU...

Страница 22: ...dealer it activates an external alert such as the vehicle horn or lights when a call is received on a channel programmed for horn alert When the alert is enabled and the proper call received it turns on once per second for 3 seconds and then goes back to the disabled state If the AUX1 or AUX2 switch is programmed to control horn alert as described later the decimal point indicator for that switch ...

Страница 23: ...e changed Option Select The AUX1 or AUX2 switch can be programmed to control some type of dealer installed accessory The decimal point indicator for the switch indicates when the accessory is enabled Power Turn Off Delay If the transceiver is equipped with the optional accessory cable the vehicle ignition switch as well as the front panel power switch can control transceiver power Then for transce...

Страница 24: ...an out of range condition occurs the intercept tone sounds and the PTT switch must be released to make another call attempt Refer to page 35 for more information on the busy and intercept tones On conventional channels the Transmit Disable On Busy feature can be used to automatically perform monitoring see page 33 If the channel is then busy the proceed tone does not sound unless the transmitter i...

Страница 25: ...ed by transmitting for an excessively long period Tone Select The supervisory tones that sound are selected by dealer program ming One of the following configurations are programmed Silent All tones are disabled Key Beep Only the key press tones are enabled Alert All tones except the preceding key beep tones are enabled All Tones All tones both Key Beep and Alert are enabled CHANNEL SCAN Introduct...

Страница 26: ...n may not occur on the displayed channel Refer to Transmitting In The Scan Mode on page 27 for more information Scan List Programming General NOTE The selected channel is always scanned even if it is deleted from the scan list The channel scan list is programmed using the front panel A D switch Pressing this switch changes the status of the displayed channel The displayed channel is not in the sca...

Страница 27: ...some other channel There is also a scan continue timer that can be programmed This timer controls the maximum time that a call is received before scanning resumes Times up to 60 seconds can be programmed This prevents scanning from being delayed for long periods by lengthy calls Transmitting In The Scan Mode When the transmitter is keyed in the scan mode programming by your dealer determines if th...

Страница 28: ...on of the scan delay period described on page 27 Then when the delay expires and scanning resumes if not disabled for example by taking the microphone off hook the selected channel is again displayed Therefore you can respond to a call without changing the selected channel as long as you do so before scanning resumes Fixed Transmit While Scanning The transceiver can be programmed so that transmiss...

Страница 29: ...rity block and telephone ID codes The encode and decode ID codes control the mobile or group of mobiles being called and also what calls are received LTR features are described starting on page 30 Conventional Operation In the conventional mode selecting a channel selects an actual radio channel and the squelch coding if any used on that channel A busy channel is detected manually or automatically...

Страница 30: ... to page 33 for more information on this feature Manual Channel Monitoring If the preceding feature is not used monitoring must be performed manually using the monitor mode This mode is enabled by taking the microphone off hook unless off hook detection has been disabled by programming It may also be enabled by the AUX1 or AUX2 switch if either is programmed for the monitor function The monitor mo...

Страница 31: ...y placed Standard mobile to mobile calls are not queued by this feature If queuing is programmed and a busy condition is encountered the queue mode is entered automatically when the PTT switch is released Then when the radio system becomes avail able the call is automatically placed If the access is successful a beep sounds and a dial tone is heard The queue mode is exited before the call is place...

Страница 32: ...obile being called is in service To be available it must be programmed in the transceiver you are calling Each selectable LTR channel group can be programmed for this feature If a call is received on one of these channels the transceiver auto matically transmits a response This causes the transceiver placing the call to briefly unsquelch and the call indicator to turn on if it is programmed on the...

Страница 33: ...monitoring If the microphone is taken off hook with an LTR channel selected scanning halts unless off hook detection is disabled but monitoring is not selected If an AUX switch is used it is not detected when scanning In addition if it is pressed with an LTR channel selected an error tone sounds and monitoring is not selected If the Transmit Disable On Busy feature is used see description which fo...

Страница 34: ...ach selectable conventional channel can be programmed for talk around It is then automatically enabled when the channel is selected There is no talk around indicator and it cannot be manually selected Call Guard Squelch The Call Guard squelch feature eliminates distracting messages intended for others using the channel This is done by using a subaudible tone or digital code to control the squelch ...

Страница 35: ... sampling is either enabled or disabled on all conventional chan nels by programming NOTE Priority sampling occurs only when scanning is enabled by the SCAN switch and when listening to a message on a conventional non priority channel It does not occur when listening to an LTR call or when transmitting MISCELLANEOUS Supervisory Tones The following tones are heard at various times when operating th...

Страница 36: ...the transmitter may have been disabled by the Transmit Inhibit feature see page 30 Transmit Disable On Busy If this tone sounds as soon as the push to talk switch is pressed with a conventional channel selected the channel may be busy and the transmitter may have been disabled by the Transmit Disable On Busy feature see page 33 Receive Only Channel If this tone sounds as soon as the push to talk s...

Страница 37: ...s is one of the parameters used by the system to detect the end of a call when the character is not sent Conversation Time Out Tone Calls are limited to a certain length by the system Thirty seconds before this time is reached a tick begins sounding each second When the 30 second time expires the call is auto matically terminated by the system Turn Around Tone This is a single beep which may be us...

Страница 38: ...age 24 Operation At Extended Range When approaching the limits of radio range the other party may not be able to hear your transmissions and there may be an increase in back ground noise when messages are received You may still be out of range even though you can hear a message The reason for this is that the signal you are receiving is usually transmitted at a higher power level than the one tran...

Страница 39: ...indicated To attempt to clear this condition turn power off and then on again to reset the control logic A U may be indicated in the right display when receiving a call This indicates improper programming Select a numbered channel and report this error to your dealer Also make sure that the controls are properly set and that the power external speaker if used and accessory if used cables are secur...

Страница 40: ...Part Number 002 9801 201 11 99hph Printed in U S A ...

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