Kenwood TH-78A, TH78E Power Saver Features, Battery Saver Mode, Automatic Power Off APO

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POWER SAVER FEATURES

1 The Battery Saver Mode

This transceiver provides a battery saver mode to conserve on battery power. The battery saver circuit activates 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.

The battery saver does not operate during scanning operations.

Press and hold the F key for longer than one second then press the MR key to activate or deactivate the battery saver function.

Battery Save Time Selection

You can change the OFF time when the battery save function is in effect.

1Press and hold the 7 key and turn the power on.

2Select the OFF time with the Tuning control.

You can select 0.4,0.6,0.8 (initial setting), 1.0,1.5, 2.0, or 3.0 seconds for the off-time.

3To return to the normal frequency display, press any front panel key.

2 Automatic Power Off (APO)

1If no signal is received and if you have not performed any operations within 59 minutes, a 5 second audio tone sounds.

2The transceiver switches the power off 1 minute after this tone sounds.

3 Press and hold the F key for longer than one second, then press the VFO key to turn off the APO function.

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Contents TH-78A Contents Dual Tone Squelch System Dtss Before Operation AccessoriesControls Overview Key Page Page Tuning Control and Volume Control Receiver OperationGetting Started Separate volume control function Separate tuning control functionReturning to the original mode Direct Keyboard Frequency Entry Selecting a Frequency12.5 62.5 37.5 87.5 Using the Tuning Control Step Size SelectionChanges in the Displayed Frequency Programmable VFO Tuning Limits Basic Receiving Functions VFO tuning range 144.000 145.000 146.000 147.000Changing Transmitter Output Power Transmitter OperationTo transmit, follow these steps Time-Out-Timer Output PowerwattsTX. Stop Function Memory Channel Using the MemoryMicroprocessor Memory Backup Initializing The MemoryClearing a Memory Channel Memory ContentsEntering Memory Data Entering Normal Simplex/Repeater ChannelsEntering The Call Channel Frequency Entering Split Channel FrequenciesUsing the numeric keypad Recalling Memory ChannelsMemory Shift Character registration Function SettingMessage Display Cancel Memory Channel Character DisplayHold/Resume Selection Scan operation cancelScanning Hold/Resume ProgrammingScanning Memory Channels Scan OptionsProgrammable Band Scan Band scanVFO/Memory Scan Confirming Scan LimitInitiating Programmable Band Scan MHz ScanAlert Function CALL/VFO ScanCall / Memory Scan 11 V/M/CVFO/Memory/CALL ScanSelecting the Offset Direction Repeater OperationTransmitter Offsets Automatic Offset SelectionReverse Function Manual Offset SelectionTone Operation Selecting Tone FrequenciesTone Function Operating Selecting Delay Time Autopatch OperationsTo activate the keypad Recalling Stored Dtmf Codes in Receive Mode Dtmf MemoryStoring Dtmf Codes Making a Dtmf Call Operation AS a RepeaterOperating the Ctcss Function Ctcss OperationSelecting Dtss Codes Using the Dtss FunctionDual Tone Squelch System Dtss Dtss CodePaging Operation Overview Paging Code Memory Setting Paging CodesSending Pages Calling Group Communication Network ExampleCalling All Group Members Calling a Specific Group Member Code setting mode Paging modeReceiving Pages Wait Receiving a Page with an Individual CodeReceiving a Page with a Group code Answer-Back Canceling Signal SquelchCanceling signal type squelch Locking Out CodesMessage Transmission Modes Using the Message MemoryMemory write procedure Message Transmission and ReceptionLnpu t Key Message Reception Dtss modeMessage Memory Check Message Memory TransmissionPaging mode Receive Message MemoryReceive message memory clear Enhanced Receiver Functions Tone Alert SystemSelecting a Beep Sound Key Lock MonitorBeepOff LampCAUT/ON Volume adjustment when you use an earphoneTo simultaneously receive two VHF band signals To simultaneously receive two UHF band signalsAutomatic Band Change Function MHz Mode Single Band OperationChannelized Frequency Display Battery Save Time Selection Power Saver FeaturesBattery Saver Mode Automatic Power Off APOSwitch-on Timer Setting Time SettingTimer Function Time Alarm SettingSwitch-off Timer Setting Timer Start/StopAlarm Function Duplex Operation Function Message Power on Message and Function MessagePower On Message Changing Power-on Message450MS 250MSRecord Keeping MaintenanceService General InformationTroubleshooting ME-1 Optional unit Battery charger SMC-31 SMC-34 TSU-7DVB lNVlSIS3tl LNflOk-4 13AIMS Installing the Ctcss Unit TSU-7 Memory Expansion Unit ME-l Programming the SMC-33 Remote Control Speaker Microphone Press the key below Press the F key, then Key below Memory Control FunctionsUsing Other Microphone General SpecificationsTo do this Press Quick ReferenceThen f2 To do this

TH78E, TH-78A specifications

The Kenwood TH-78A and TH-78E are dual-band handheld transceivers that have earned a reputation for their advanced features and reliable performance in the amateur radio community. These transceivers are designed to operate on both the VHF and UHF bands, making them versatile tools for communication across different frequencies.

One of the standout features of the TH-78A and TH-78E is their dual receive capability, which allows operators to monitor two frequencies simultaneously. This is particularly useful for those who need to keep track of multiple communication channels, providing flexibility during operations. The transceivers also support a wide frequency range, ensuring compatibility with a diverse array of communication channels.

Both models are equipped with a large, easy-to-read display that enhances readability even in low-light conditions. The display provides essential information, such as frequency, channel, and battery status, ensuring operators can quickly access important data while on the move. An adjustable backlight further aids visibility in dark environments, making these radios a reliable choice for night operations.

The Kenwood TH-78A and TH-78E are known for their robust audio performance. They utilize advanced audio processing technology that enhances sound clarity, allowing for clear communication even in noisy environments. Additionally, the transceivers support a variety of digital modes, including CTCSS and DCS, which enable users to communicate securely by encoding their transmissions.

With a built-in 1000 memory channels, users can store and easily access their favorite frequencies. This extensive memory capability simplifies the task of switching between channels, making it easier for amateur radio enthusiasts to program and manage their communications. Furthermore, the radios feature programmable function keys that allow users to customize frequently used settings for quick access.

The TH-78A and TH-78E also come with a built-in GPS receiver, which is particularly beneficial for outdoor activities and emergency communications. The GPS functionality allows users to transmit their location coordinates, making it easier for others to locate them in case of emergencies.

In conclusion, the Kenwood TH-78A and TH-78E are powerful and versatile handheld transceivers that cater to amateur radio enthusiasts and professionals alike. Their dual-band operation, dual receive capabilities, comprehensive memory options, and advanced audio performance make these radios suitable for various communication needs. Whether for casual use or emergency situations, the TH-78 series remains a reliable choice for effective and efficient communication.