Page 2 - CONTENTS
ACCESSORIES . . . . . . . . . . . . . . . . . . . . BEFORE OPERATION . . . . . . . . . . . . . . Controls Overview . . . . . . . . . . . . . . THE BATTERY PACK 1 NiCd Battery Pack (PB-13). . . . . . . . . . . . . . . . 2 Recharging. . . . . . . . . . . . . . . . . . . . 3 Installing The Battery Pack...
Page 3 - Codes; Message Transmission modes.
THE DUAL TONE SQUELCH SYSTEM (DTSS) 1 DTSS Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 2 Using the DTSS Function . . . . . . . . . . . . . . . . 36 3 Using DTSS with a Repeater. . . . . . . . . . . . . . 37 PAGING 1 Paging Operation Overview . . . . . . . . . . . . . . 38 2 Paging...
Page 5 - Controls Overview; first by looking at the following illustration.; All types except U.K and European version
Controls Overview This transceiver has different key layouts for eachdestination. Check the version of your transceiver first by looking at the following illustration. All types except U.K and European version U.K and Europe version only 6
Page 6 - the time you reach the end of this manual, you will
This diagram will help you locate the keys, switches, DC IN TERMINAL and knobs you’ll need to perform necessary operations. Please study these controls carefully. By ANTTENA SPEAKER/HEADPHONE JACK the time you reach the end of this manual, you will CONNECT MICROPHONE JACK have had to use each of the...
Page 9 - RECEIVER OPERATION; Getting Started
RECEIVER OPERATION 1 Getting Started Connect the battery pack and the supplied antenna. Press the POWER switch to turn the transceiver on. One of the default frequencies should appear on the display. 2 Tuning Control and Volume Control This transceiver assigns two volume and tuning control functions...
Page 11 - Selecting a Frequency; Direct Keyboard Frequency Entry
Whenever you are selecting frequencies, your firststep should be to set the squelch control. The squelch helps eliminate “white noise” or static until you receive active communications on a frequency. There are two squelch controls, one for the UHF band and one for the VHF band. To set the squelchco...
Page 13 - Using the Tuning Control; Step Size Selection; Changes in the Displayed Frequency
Using the Tuning Control The tuning control selects frequencies in up or down sequentially. Rotate the tuning control clockwise or counterclockwise to select the desired operating frequency. 4 Step Size Selection 1 2 14 The transceiver must be in the VFO mode to selectfrequency steps. To select the ...
Page 14 - Programmable VFO Tuning Limits
From step size 12.5 or 25 To step size 5,10, 15, or 20 Frequencies Display as 0 0 12.5 10 25 20 37.5 30 50 50 62.5 60 75 70 87.5 80 5 Programmable VFO Tuning Limits This radio provides the capability of programming theVFO tuning range, in 1 MHz band segments, as well as providing a separate programm...
Page 15 - Basic Receiving Functions; VFO tuning range
5 To confirm that the programming was properly performed rotate the Tuning control. The transceiver should not go above or below the programmed band limits. 6 Basic Receiving Functions When receiving a signal, the Main/Sub S-meter deflects and the Main/Sub BUSY indicators appea Rotate the volume con...
Page 16 - Changing Transmitter Output Power
TRANSMITTER WARNING: Before you attempt to transmit, attach an antenna with a low standing wave ratio to the antennaconnector. Failure to provide a proper load maycause damage to the final amplifier section. Alwayscheck that the frequency is clear before transmitting. 1 To transmit, follow these ste...
Page 17 - EL H
3 TX. Stop Function The TX Stop function allows you to temporallydisable the transceiver transmit, preventingaccidental or unauthorized transmission. Press the F key, then press the f 2 /TX.S key to turn the TX. Stop function on or off. No indicator means the high power position has been selected. U...
Page 18 - USING THE MEMORY; Microprocessor Memory Backup; Factory Default Settings; VFO Reset; Memory Channel
USING THE MEMORY 1 Microprocessor Memory Backup All memory channel data is backed up in EEPROM. It is not lost unless you reset the memory. All other data that you set is retained by a secondary lithium battery that will provide memory backup for about 20 days if you remove the battery pack orextern...
Page 19 - Memory Contents; Split; Entering Memory Data
4 Memory Contents Each memory channel can store information as shown in the chart below. X =Can be stored in memory N o r m a l Split Channel Channel RX frequency TX frequency Tone(CTCSS) frequency,Tone (CTCSS) status Frequency step Shift status, REV on/off X N / A DTSS code. DTSS status X X 5 Enter...
Page 20 - Entering Split Channel Frequencies; Note; Entering The Call Channel Frequency
6 Entering Split Channel Frequencies Use the numeric keypad to select the desired receiver frequency, tone and other information. If thedesired frequency is already on the display, continueto step 2. Press the M key. The memory indicator will flash. Use the keypad to select any desired memory channe...
Page 21 - Recalling Memory Channels; Memory Shift; You cannot perform memory shift if the displayed
3 Select the desired call channel transmit frequency. 4 Press the M key. 5 Press and hold the PTT switch and press the CALL key. 6 Release the PTT switch. 8 Recalling Memory Channels Press the MR key. You can change the memory channel by the following two methods. Using the Tuning Control Rotate the...
Page 22 - 0 Memory Channel Character Display; Function Setting; Character registration
10 Memory Channel Character Display You can display the memory channel frequency with your own spelling. It may be up to six characters long. You can use numerics 0 to 9 and the letters A 4 Enter your message with the keypad. See the list on page 45 for the key combinations for each letter. 5 If you...
Page 23 - SCANNING; Hold/Resume Programming; * Carrier Operated Scan; Hold/Resume Selection
SCANNING You must adjust the squelch to the threshold point for proper scan operation. You cannot use scan in conjunction with the tone alert function and paging.Scanning occurs separately in the VHF and UHF bands. You can reverse the direction by turning the Tuning control or MESSAGE key. 1 Hold/Re...
Page 24 - Scan Options; Programmable Band Scan; Scanning Memory Channels; Scanning does not start unless two channels or; Locking Out Memory Channels
3 Scan Options The following scan options are available: * Memory Scan Scans through those memory channels that havedata stored and that have not been locked out. This function operates only in the memory mode. * Band Scan Scan proceeds over the entire band. This functionoperates only in the VFO mod...
Page 28 - REPEATER OPERATION; Transmitter Offsets; UHF Band; VHF Band UHF Band; Selecting the Offset Direction; European version; SIMPLEX
REPEATER OPERATION 1 Transmitter Offsets All amateur radio repeaters use a separate receiveand transmit frequency. The receive frequency may be above or below the transmit frequency. Mostrepeater configurations fall into one of the following categories. OffsetDirection UHF Band (European version VHF...
Page 29 - the radio transmitting outside its intended range
4 Manual Offset Selection 5 The Reverse Function The factory default sets the automatic offsetfrequency. You can select any offset frequency inthe range 0 to 99.9 MHz in 100 kHz steps. Some repeaters use a ’ reverse pair’, that is, the transmit/receive frequencies are the reverse of other repeaters....
Page 30 - Tone Operation; Selecting Tone Frequencies
6 Tone Operation Some repeaters require a control signal to activate them. Several different methods are currently in use. In the United States, sub-audible tones are sometimes used. This transceiver will generate sub-audible frequencies. In Europe and the United Kingdom, a 1750 Hz tone is used in t...
Page 31 - Autopatch Operations; To activate the keypad:; activate the autopatch function. Check with the; Selecting Delay Time
7 Autopatch Operations (U.S.A. versions only) Some repeaters offer a service called autopatch.This feature allows you to dial a telephone numberfrom your transceiver and carry on a telephone conversation. This function requires the use of a DTMF (Dual Tone Multi Frequency) keypad. The transceiver al...
Page 32 - DTMF Memory; Storing DTMF Codes
8 DTMF Memory You can store 10 DTMF telephone numbers up to a maximum of 15 digits long in memory. Storing DTMF Codes 1 Press the M key, then press the MHz key to select the DTMF code entry mode. 2 Enter the DTMF code on the keypad 3 Press the MR key after entering the DTMF code. 4 Select the channe...
Page 33 - Making a DTMF Call; OPERATION AS A REPEATER; Function setting
Making a DTMF Call 1 Hold the PTT switch down and press the MHz key. 2 Press the numeric key (O-9) for the channel where the DTMF code is stored. 3 The DTMF code appears on the display. Note Transmission continues until the whole code string is recalled, even if the PTT switch is released. You canno...
Page 34 - CTCSS OPERATION; In duplex operation if CTCSS is activated in the; Operating the CTCSS Function
CTCSS OPERATION The CTCSS unit (TSU-7) is included only with models delivered to the United States and Canada. The CTCSS unit (TSU-7) installation instruction are shown on page 63. If the Continuous Tone Code Squelch System (CTCSS) function is activated, the transceiver will not open squelch until i...
Page 35 - DTSS Code; Selecting DTSS Codes; selection mode. Code selection; Using the DTSS Function
THE DUAL TONE SQUELCH SYSTEM (DTSS) DTSS allows squelch activation in the receive mode when the transceiver receives a three-digit code matching the DTSS code you have selected. Once squelch is activated, it operates normally from then on. If no signal is received for more than two seconds, squelch ...
Page 36 - You should determine the common group paging; Paging Operation Overview; Set your station code.
Paging uses a DTMF (Dual Tone Multi Frequency)signal and is useful in calling members of a group, aspecific station, or for waiting for a call from anotherstation. F: 145.020MHz Individual Code: 111 F: 145.020MHz F: 145.020MHz F: 145.020MHz lndividual Code 222 lndividual Code: 333 lndividual Code 44...
Page 37 - Paging Code Memory; Setting Paging Codes
2 Paging Code Memory There are 8 paging code memories. M e m o r y C o d e 1 ~ 6 Use Stores your station ID code in memory. Automatically stores the calling station’s code during reception. Can temporarily set the code for the station to be called. Stores group codes and local station codes in memor...
Page 38 - Your station ID code is preset in memory A. You; Group Communication Network Example; Your memory; Calling All Group Members
The chart shows how members of a group might communicate with each other. You may wish to refer back to this chart as you read the examples on the following gages. Your station ID code is preset in memory A. You Group Communication Network Example Predetermined frequency 145.020MHz Your Individual c...
Page 39 - Calling a Specific Group Member; If the local station code is not in memory, enter it in
Press the PTT switch. Communication is possible inboth the Paging and code setting mode. In the code setting mode In the Paging mode 145.02 MHz The group code 789 and your station ID code 111are transmitted. Calling a Specific Group Member Use the following procedure to call a specific groupmember: ...
Page 41 - Canceling Signal Squelch; Canceling signal type squelch; Locking Out Codes; To Lock Out Codes
6 Canceling Signal Squelch Squelch will not open when operating in the paging mode when the paging codes do not match. It ispossible to reprogram the transceiver so that squelch will open regardless of the incoming page code. Even when signal squelch is canceled, a beep sounds and the individual cod...
Page 42 - MESSAGE TRANSMISSION AND RECEPTION; Message Transmission Modes; Memory write procedure
MESSAGE TRANSMISSION AND RECEPTION This function lets you transmit your message to the other party or display a message from the other partyon your transceiver using the DTMF (Dual Tone Multi Frequency) signal and alphanumeric display. You can use the numerics 0 to 9 and letters A to Z. The message ...
Page 44 - Message Reception; DTSS mode
5 Press a key (0 to 9) corresponding to the numeric you want to enter to memory. 6 To cancel message input mode, press the PTT switch. 3 Message Memory Check 1 Press and hold the F key for longer than onesecond, then press the MESSAGE key. 2 Press a desired key (0 to 9). 3 To return to the normal fr...
Page 45 - H Paging mode; Receive Message Memory; Receive message memory clear
H Paging mode Press any key 6 Receive Message Memory This transceiver has 10 incoming message memory channels, in which received messages are stored. If you press the MESSAGE key in the message mode, the last stored message is displayed. You can store your message in memory using one of the followin...
Page 46 - ENHANCED RECEIVER FUNCTIONS; The Tone; Selecting a Beep Sound
ENHANCED RECEIVER FUNCTIONS 1 The Tone Alert System The Tone Alert function provides an audible alarm to indicate when someone is transmitting on the frequency you are monitoring. If you use the tone alert function with the CTCSS,paging, or DTSS function, you can use the functionalmore effectively s...
Page 49 - * To simultaneously receive two VHF band signals; When the incoming signal drops out three seconds; * To simultaneously receive two UHF band signals
8 Automatic Band Change Function The Automatic Band Change function automaticallyswitches transmit control from the RX/TX band to the RX only band whenever a signal is received that opens squelch on the RX only band. 1 Press the F key, then press the BAND/A.B.C. key within 10 seconds.The A B C indic...
Page 50 - 0 Single Band Operation
Notes on simultaneous in Band reception 1 When two signals on the same band are received simultaneously, the receiveperformance, such as image interference and sensitivity, may be reduced. 2 If the two frequencies are the same, the volume may decrease at some VOL control positions. To return to norm...
Page 51 - POWER SAVER FEATURES; The Battery Saver Mode; Battery Save Time Selection
POWER SAVER FEATURES 1 The Battery Saver Mode This transceiver provides a battery saver mode to conserve on battery power. The battery saver circuitactivates 10 seconds after the last key is pressed. The squelch must be closed. This function deactivates whenever a key is pressed or the squelch opens...
Page 52 - CLOCK FUNCTION; Time Setting; Time Alarm Setting; Timer Function; Switch-on Timer Setting
CLOCK FUNCTION If you press the F key, then the 7 key in receivemode, the clock is displayed on the Sub band display. The time is displayed on a 24-hour basis. If you press the F key, then the 7 key again, the clock is canceled, and the normal frequency display returns. 1 Time Setting 1 Press and ho...
Page 54 - DUPLEX OPERATION
56 DUPLEX OPERATION Normally this transceiver operats in a simplex mode, i.e. No receive audio from the sub-band is fed to the speaker during transmit on the main or active band. If you prefer duplex operation, i.e. Receive audio from sub-band is fed to the speaker during transmit you must perform t...
Page 55 - POWER ON MESSAGE AND FUNCTION MESSAGE; Power On Message; NOTE
POWER ON MESSAGE AND FUNCTION MESSAGE 1 Power On Message When you first switch the POWER on, “TH78A” or “TH78E” appears on the display for two seconds. You can change this factory-set message to your own message as follows: Changing Power-on Message 2 Function Message When you select a function, the...
Page 57 - MAINTENANCE; General Information
MAINTENANCE 1 General Information Your transceiver has been factory aligned and tested to specification before shipment. Under normal circumstances the transceiver will operate inaccordance with these instruction manuals. All adjustable trimmers and coils in your transceiver has been adjusted at the...
Page 58 - TROUBLESHOOTING; Symptom
TROUBLESHOOTING The following problems are generally caused by improper transceiver operation or connection, not by defective components. If you experience any of these problem causes and corrective actions before requesting service. Symptom Probable Cause Corrective Action Indicators do not light a...
Page 59 - ACCESSORIES; Note: Some optional accessories may not be available in your area.; SPEAKER MICROPHONE; Optional unit
ACCESSORIES Note: Some optional accessories may not be available in your area. SPEAKER MICROPHONE SMC-31 SMC-32 SMC-33 SMC-34 HEADSET with VOX/PTT HMC-2 CLIP MICROPHONE withEAR PHONE EMC-l Optional unit Battery charger TSU-7 (CTCSS unit) ME-1 (Memory expansion unit) (Wall charger) BC-15A
Page 64 - Memory Control Functions; Press the F key, then the
Memory Control Functions Press the key below. Press the F key, then the key below. Tuning control (II) Encoder/Volume selecting mode LAMP LAMP (Turns off 5 seconds after the (Does not turn off automatically) last key operation) MONI TONE TX output power selection MHz VFO Memory shift MR V/M scan CAL...
Page 65 - Using Other Microphone; If not using the SMC-33, we recommend using an
4 Using Other Microphone If not using the SMC-33, we recommend using an electret type microphone. The input impedance is 2k ohms and the DC voltage on the microphone terminal is approximately 4 volts (Max. 3.5 mA). Do not use a dynamic microphone. Speaker 67
Page 66 - SPECIFICATIONS; GENERAL; to
SPECIFICATIONS GENERAL U.S.A. Version FREQUENCY RANGE (MHz) U.K.and Europe 144 to 146 Other market 144 to 148 ANTENNA IMPEDANCE OPERATING TEMPERATURE POWERREQUIREMENTS BATTERY PACK CURRENT DRAINTransmit mode(13.8VDC) H Transmit mode(13.8VDC) L Transmit mode(13.8VDC) EL SIMPLEX Receive mode with no s...
Page 67 - QUICK REFERENCE; TO DO THIS
QUICK REFERENCE Note : The plus symbol (+) means press two keys simultaneously. “then” means press two keys in sequence. “(1 second)” means press the key for longer than one (1) second. TO DO THIS PRESS Temporarily change the volume or frequency of the band that cannot control E.CHG DetermIne if a f...
Page 69 - P R E S S
TO DO THIS Enter a data into the call channel Message memory buffer clear Enter displayed data in lower limit frequency of programmable VFO tuning limit Enter displayed data in upper limit frequencyof programmable VFO tuning limit - - Enter displayed frequency in lower limit frequency of programmabl...
