EFJohnson 764X, 761X service manual Ch Atr, Frequency, Rx/Tx, Text, Time-Out, Timer

Page 30

 

 

 

PROGRAMMING

 

Table 4-1 Memory Channel Screen Description (LMR Models) (Continued)

 

 

 

 

Parameter

 

Description

 

 

 

 

Ch Atr

Press (Enter) to display the menu which selects one of the following choices:

 

(Channel

 

 

 

Attribute)

A: Priority A - The channel is selected when the Prio A key is pressed, and it is monitored during priority scan.

 

In addition, the microphone hanger can be programmed so that this channel is automatically selected when-

 

ever an off-hook condition occurs (see Table 4-2).

 

 

B: Priority B - The channel is quick selected when the Prio B key is pressed. It is not monitored during priority

 

scan.

 

 

 

E: Emergency Channel - Transmission occurs on the channel when the Emergency switch is pressed.

 

Emergency Off - Deletes the emergency designation on current channel if applicable. If no emergency channel

 

is designated, transmission occurs on the currently selected channel.

 

 

SmarTrunk II™ On/Off - Toggles the SmarTrunk function on and off on the bank. This function is not

 

available with this transceiver.

 

 

 

Channel Insert - Inserts a blank channel by pushing the other channel information down one line.

 

Channel Delete - Deletes the programming information on the current line and moves the channel information

 

below it up one line.

 

 

 

Return - Exits the menu and returns to the main screen.

 

 

 

Frequency

Enter the desired frequency for the channel. Enter a frequency within the frequency range of the transceiver:

(Rx/Tx)

VHF = 136-155 or 146-174 MHz, UHF = 400-430, 450-470, 470-490, or 488-512 MHz. Channel steps in mul-

 

tiples of 5.0, 6.25, or 7.5 kHz only. If no receive frequency is entered, no other data can be programmed on the

 

line. Other special functions associated with frequency are as follows:

 

 

Rx Freq - Press the backspace key to toggle between wide and narrowband. Narrowband is indicated by “n” to

 

the right of the frequency. Press the spacebar to toggle receive inhibit on and off indicated by “i” to the left

 

of the frequency. This limits the channel to priority or emergency use only (it is not available as a regular

 

channel).

 

 

 

Tx Freq - To enter the same frequency as the receive frequency, enter nothing or “=”. The “ ” symbol means

 

same as receive frequency. Enter a space to disable transmitting on the channel (“Inhibit” is then displayed).

 

F8 and F9 can be used to cut and paste frequencies. Press (Enter) when the desired frequency has been

 

entered.

 

 

 

 

CTCSS/

Enters the receive and transmit tone (CTCSS) Call Guard® frequency or digital (DTCS) Call Guard code. Press

DTCS

(Enter) to display the tone selection table. Select a tone by scrolling to it and pressing (Enter). Press the space-

(Rx/Tx)

bar or backspace key to increase or decrease the entered frequency. The “ ” symbol means same as receive

 

code.

 

 

 

The length of the CTCSS reverse burst can be set by the “CTCSS Reverse Burst” parameter on the Common

 

Screen (see Table 4-7). A non-standard CTCSS tone from 60.1 to 300.1 Hz can be specified on the Expert

 

screen and then selected by “USER”. If a CTCSS tone is selected by the TONE option switch, it overrides the

 

channel programming until “TON--M” is reselected.

 

 

Digital codes must always be entered directly (there is no table) and tone frequencies can be entered directly. Be

 

sure to enter the tone decimal point or the number is interpreted as a digital code. To toggle the polarity of digi-

 

tal codes, press the spacebar or backspace key. The N or I indicates Normal or Inverted polarity. In

 

addition, the polarity of digital Call Guard signaling for all channels is set on the Expert screen.

 

 

Text

Programs the 7-character alpha tag that is displayed when a channel is selected. If no text is programmed, the

 

channel number is displayed as CH-xx. Allowable characters are A-Z (upper or lower case), 0-9, ’ * , + $ ’ ( ) –

 

/ < = > ? @ [ \ ] _ { } ~. However, some characters, especially lower case letters, may be difficult to see. The tx

 

up arrow is displayed by “:” , and the rx down arrow by “;”. Special characters may be programmed in the

 

Expert screen (see Table 4-8)and used for the positions 3-7 only (positions 1 and 2 can display only regular

 

characters). To enter a special character, press PgUp/PgDn to scroll through and select characters A-P.

 

 

TOT

Disables the transmitter on that channel if it is keyed continuously for longer than the programmed time. The

(Time-Out

times for this timer and other related functions are programmed in the Common Screen (see Table 4-7).

Timer)

 

 

 

 

 

 

 

Smartrunk II™ is a trademark of Smartrunk Systems Inc.

 

November 1998

4-5

Part No. 001-7600-001

 

 

Image 30
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 Toll-Free 800 75xx AccessoriesAccessory Factory ReturnsReplacement Parts Internet HomeThis page intentionally left blank VHF and 7640 UHF Mobile Specifications GeneralGeneral Information Installation and Disassembly Transceiver InstallationPower Cable Installation Installing Mounting BracketInstalling Microphone Hanger Cable InstallationUsing AN External Speaker Power Cable FusesChanging 20-Ampere Power Cable Fuses Accessory Cable InstallationTransceiver Disassembly Removing PC BoardRemove shield E Setting 5-Tone Deviation 2-TONE/5-TONE Module InstallationInstallation Procedure 2 2-TONE ProgrammingInstallation and Disassembly Features OperationControls and Display Transceiver Back PanelBasic Operation Direct Selection The F1-F4 Receiving and Placing Calls Option Key Programmable Functions TIME-OUT TimerProgrammable Functions Function Key Label Description Section NoCall Guard Tone Select Monitor Mode SelectOutput Power Select Channel SelectChannel Scan Priority Channel Sampling Programming Cables Programming SetupSection Programming Programming SoftwareMenu Flow Starting the ProgramSpecial Keys and Functions File MenuPrint Menu Screen MenuProgram Menu Model MenuSetup Menu Memory Channel Screen Description LMR ModelsParameter Description Bank Select Frequency TimerCh Atr Rx/TxScan Auto ResetLockout ToneKey and Display Assign Screen Description Key DescriptionKey Description Label Selection RF PowerDtmf Autodial Screen Description Bank/FreeContinuous Tone Screen Description Scan Function Screen DescriptionParameter Description Resume Stop Timer2-Tone Code Channel Screen Description Auto CHAuto Tx EXO TimerTimer Auto Tx StunCommon Screen Description Expert Screen Description Unique PMR European Screens Unique PMR ScreensCloning Programming ONE Transceiver with Another Memory Channel Screen PMR Models This page intentionally left blank VHF 7610 Circuit Description VHF Receiver CircuitAudio Amplifier Circuit Receiver Mute CircuitMicrophone Amplifier Circuit Power Amplifier ModuleVHF Transmitter Circuit Modulation CircuitAPC Circuit VHF PLL CircuitPLL Circuit VHF IC PIN Descriptions Line DescriptionPin Port Description VHF Port Expander IC11 Main Unit VHF I/O Expander IC5 Main UnitPin Pin Port Description NameUHF 7640 Circuit Description UHF Receiver CircuitSecond if System IC1 UHF UHF Transmitter Circuit PLL Circuit UHF UHF PLL CircuitUHF Power Supply UHF CPU IC1 Port AllocationUHF I/O Expander IC12 Main Unit UHF Port Expander IC13 Main UnitSuggested Test Equipment Adjustment ProcedureTest Setup Equipment Grade and RangeTest Channels Test CableCOMPUTER-AIDED Tuning VHF Test FrequenciesUHF Test Frequencies Preliminary Setup VHF AdjustmentsVHF Adjustments PLL Adjustment VHF ModelsVHF Adjustments CONT’D Output Power AdjustFM Deviation Adjust Bandpass Filter Adjust Dtcs Waveform AdjustReceiver Adjustments VHF Models Squelch AdjustBeep Tone Level Adjustment Beep Tone LevelUHF Adjustments PLL Adjustment UHF ModelsTransmitter Adjustments UHF Models UHF Adjustments CONT’D UHF Adjustment PointsUHF Adjustments CONT’D Receiver Adjustments UHF Models Parts List Æçìíýõ9+ôý0$,1ý81,7Íäç HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ 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 VHF 7610 Exploded View Front UnitUHF 7640 Exploded View Main Unit Schematic Diagrams and Component LayoutsVHF 7610 Block Diagram Front UnitVHF 7610 Transistor Basing Diagrams Foldout → VHF 7610 Main Board TOP View VHF 7610 Main Board Schematic VHF Main UnitUHF 7640 Block Diagram UHF 7640 Main Board Bottom View UHF 7640 Main Board TOP View J4 T o O p tion al Un itUHF 7640 Main Board Schematic VHF/UHF Front Unit Board TOP View VHF/UHF Front Unit Board Bottom ViewVHF/UHF Front Unit Schematic UHF 7640 Transistor Basing Diagrams