EFJohnson 761X, 764X Auto Tx, Stun, Rx Code Common Screen, Notone, Group, EXO Timer, Beep Repeat

Page 37

PROGRAMMING

 

Table 4-6 2-Tone Code Channel Screen Description (Continued)

 

 

Parameter

Description

 

 

Beep

Emits (or turns off) the following beeps when receiving a matched 2-tone:

 

Null - Beep emission (or non-emission) is retained even when receiving a matched 2-tone.

 

Off - Repeater beep emission is turned off.

 

Pi (Single) - One high beep once.

 

PiPi (Single) - Two high beeps once.

 

PiRo (Single) - One high and one low beep three times.

 

Pi (Repeat) - One high beep repeated at selected intervals.

 

PiPi (Repeat) - Two high beeps repeated at selected intervals.

 

 

Auto Tx

Sets the transceiver to the transmit condition (by activating the microphone PTT) when receiving a matched

 

2-tone code. This transmit time can be set in the Auto Tx Timer parameter in the Rx Code Common screen (see

 

below).

 

 

Stun

When a matched 2-tone is received, the transceiver is set to the following condition that is programmed:

 

Off - The transceiver can be used continuously.

 

Kill - The transceiver cannot be used. Reprogramming is required to re-activate the transceiver.

 

Stun - The power-on password prompt is displayed. To use the transceiver, the correct password must be

 

entered. See also “User Password” and “Pwr On Password” in Common screen (Table 4-7).Password entry is

 

required regardless of the Pwr On Password setting.

 

 

Scan

When a matched 2-tone is received, scan is set to the following condition that is programmed:

 

Null - Scan condition is not affected.

 

Cancel - Scan is cancelled.

 

Start - Scan is started.

 

See also “Scan” key in Table 4-2and “Power On Scan” in Table 4-5.

 

 

Parameter

Description

 

 

 

Rx Code Common Screen

Notone

This item sets the acceptable period between 2 tones. When received tones are interrupted for longer than this

Timer

setting, the transceiver does not detect the code.

 

 

Group

Programs the 2-tone decoding period in seconds. When the received tone is longer than this setting, the trans-

Timer

ceiver detects the tone as a group code.

 

 

EXO Timer

When the EXO function is programmed “On” (see EXO above), the horn drive out pin of the optional accessory

 

cable is grounded for this period when receiving a matched 2-tone code.

 

 

Beep Repeat

When “Repeat” is selected for the above “Beep” parameter, beeps are repeated at this period in seconds.

Timer

 

 

 

Auto Tx

When the Auto TX function above is programmed “On”, the transceiver transmits for this set period when

Timer

receiving a matched 2-tone code.

 

 

 

Tx Code Screen

Code Type

Selects the “Individual” or “Group” code type.

 

 

1st/2nd Tone

Sets the frequencies for the first and second tones from 250-3300 Hz. The closest tone is selected.

Frequency

 

 

 

1st/2nd Tone

Sets the period of the first and second tones.

Period

 

 

 

November 1998

 

Part No. 001-7600-001

4-12

Image 37
Contents 761x VHF 764x UHF Conventional Mobile Conventional FM TWO-WAY Radio Table of Contents Table of Contents CONT’D Schematic Diagrams and Component Layouts General Information Accessory 75xx AccessoriesToll-Free 800 Factory ReturnsInternet Home Replacement PartsThis page intentionally left blank General VHF and 7640 UHF Mobile SpecificationsGeneral Information Transceiver Installation Installation and DisassemblyInstalling Microphone Hanger Installing Mounting BracketPower Cable Installation Cable InstallationChanging 20-Ampere Power Cable Fuses Power Cable FusesUsing AN External Speaker Accessory Cable InstallationRemoving PC Board Transceiver DisassemblyRemove shield E Installation Procedure 2-TONE/5-TONE Module InstallationSetting 5-Tone Deviation 2 2-TONE ProgrammingInstallation and Disassembly Operation FeaturesTransceiver Back Panel Controls and DisplayBasic Operation Direct Selection The F1-F4 Receiving and Placing Calls Programmable Functions TIME-OUT TimerOption Key Programmable Functions Function Key Label Description Section NoOutput Power Select Monitor Mode SelectCall Guard Tone Select Channel SelectChannel Scan Priority Channel Sampling Section Programming Programming SetupProgramming Cables Programming SoftwareSpecial Keys and Functions Starting the ProgramMenu Flow File MenuProgram Menu Screen MenuPrint Menu Model MenuMemory Channel Screen Description LMR Models Setup MenuParameter Description Bank Select Ch Atr TimerFrequency Rx/TxLockout Auto ResetScan ToneKey Description Key and Display Assign Screen DescriptionKey Description Label Dtmf Autodial Screen Description RF PowerSelection Bank/FreeScan Function Screen Description Continuous Tone Screen DescriptionParameter Description 2-Tone Code Channel Screen Description Stop TimerResume Auto CHTimer Auto Tx EXO TimerAuto Tx StunCommon Screen Description Expert Screen Description Unique PMR Screens Unique PMR European ScreensCloning Programming ONE Transceiver with Another Memory Channel Screen PMR Models This page intentionally left blank VHF Receiver Circuit VHF 7610 Circuit DescriptionReceiver Mute Circuit Audio Amplifier CircuitVHF Transmitter Circuit Power Amplifier ModuleMicrophone Amplifier Circuit Modulation CircuitVHF PLL Circuit APC CircuitPLL Circuit Line Description VHF IC PIN DescriptionsPin Port Description Pin VHF I/O Expander IC5 Main UnitVHF Port Expander IC11 Main Unit Pin Port Description NameUHF Receiver Circuit UHF 7640 Circuit DescriptionSecond if System IC1 UHF UHF Transmitter Circuit UHF PLL Circuit PLL Circuit UHFUHF CPU IC1 Port Allocation UHF Power SupplyUHF Port Expander IC13 Main Unit UHF I/O Expander IC12 Main UnitTest Setup Adjustment ProcedureSuggested Test Equipment Equipment Grade and RangeTest Cable Test ChannelsVHF Test Frequencies COMPUTER-AIDED TuningUHF Test Frequencies VHF Adjustments VHF AdjustmentsPreliminary Setup PLL Adjustment VHF ModelsOutput Power Adjust VHF Adjustments CONT’DFM Deviation Adjust Receiver Adjustments VHF Models Dtcs Waveform AdjustBandpass Filter Adjust Squelch AdjustBeep Tone Level Beep Tone Level AdjustmentPLL Adjustment UHF Models UHF AdjustmentsTransmitter Adjustments UHF Models UHF Adjustment Points UHF Adjustments CONT’DUHF Adjustments CONT’D Receiver Adjustments UHF Models Æçìíýõ9+ôý0$,1ý81,7 Parts ListÍäç HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ Íëëðêäíçðíçí Íäæ Ìää HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 Íëëðêäíçðçìé Ëíí Ëäí HUDPLFý&ìçíåý-%ýìýìíê.ð7ð$ Íëëðêäíçðíçê Ëäì RLOý0/ìçíå$ýì5í.ð7 Íëëðêäíçðçèç 03ì Ýìäëëý9&2ýFDVH 5íéé 5HVý5-ê*-ýìííý9ýõìíýRKPô Íëëðêäíçðìêå 5íéè 5ìèé 5HVý5-ê*-ýìíéý9ýõìííýNýRKPô Æçéíýõ8+ôý0$,1ý81,7 Íêì HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ Íëëðêäíçðíçí Íêë Íäé HUDPLFý+0çí6-ý&+ýíêíýèíí9ý Õéäíðèìëý0+ô Ìèì 5HIý1Rï Êëç Íëëðêäíçðäèë 4éì 7UDQVLVWRUý7&êçê.ý7ìéæ 5íæé 5ìçå 5HVý5-ê*-ýìíéý9ýõìííýNýRKPô 5217ý81,7 Õ9+ý$1ý8+ý02/6ô =HQHUý0$åíèìð0ýõ7ô Æçìíýõ9+ôý&+$66,6ý3$576 Front Unit VHF 7610 Exploded ViewUHF 7640 Exploded View VHF 7610 Block Diagram Schematic Diagrams and Component LayoutsMain Unit Front UnitVHF 7610 Transistor Basing Diagrams Foldout → VHF 7610 Main Board TOP View VHF Main Unit VHF 7610 Main Board SchematicUHF 7640 Block Diagram UHF 7640 Main Board Bottom View J4 T o O p tion al Un it UHF 7640 Main Board TOP ViewUHF 7640 Main Board Schematic VHF/UHF Front Unit Board Bottom View VHF/UHF Front Unit Board TOP ViewVHF/UHF Front Unit Schematic UHF 7640 Transistor Basing Diagrams