Related Manuals for Wouxun KG-S74A
Summary of Contents for Wouxun KG-S74A
- Page 1 Thank you for purchasing the Wouxun KG-S74A portable aviation radio. Your feedback makes our products better. Please share your thoughts. feedback@buytwowayradios.com www.buytwowayradios.com...
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Page 2: Table Of Contents
Contents Safety Information ������������������������������������������������������������������������������������ 7 FCC Licensing Information .................11 Getting Started ��������������������������������������������������������������������������������������� 12 Feature Summary ..................12 What’s Included ...................13 Front Panel Guide ..................14 Right / Left Side Guide ................15 Display Guide ....................16 Dust and Water Protection ................17 Installing and Removing the Battery ............18 Charging the Battery ..................18 Antenna Information ..................20 Installing the Belt Clip .................21... - Page 3 Introducing the KG-S74A ................22 Your First Transmit ..................23 Channel and Frequency Modes ..............24 Channels .......................25 Channel Scan ....................26 Priority Channel Scan ..................27 NOAA Weather Mode .................28 Keypad Hotkeys ..................30 Key Lock ......................32 Keypad Function Keys ................33 Programmable Key Functions ..............33 Stopwatch Timer ..................37...
- Page 4 [02: MODE] Work Mode ................38 [03: STEP] Frequency Step ................39 [04: CH-ADD] Add Memory Channel ............39 [05: CH-DEL] Delete Memory Channel ............39 [06: CH-NAME] Channel Name ..............40 [07: BACK-LT] Backlight Timout ..............40 [08: VOX] Voice Activated Transmit ............41 [09: SCAN-ADD] Scan Add / Delete ............41 [10: SCANMODE] Scan Mode ..............41 [11: PRI-SCAN] Priority Scan ..............42 [12: PRI-CH] Priority Channel ..............43...
- Page 5 [16: VOX-DLY] VOX Delay ...............44 [17: TOT] Transmit Overtime Timer ............45 [18: TOA] Transmit Overtime Alarm ............45 [19: BEEP] Button Beeps ................45 [20: VOICE] Voice Guide ................46 [21: BUSYLOCK] Busy Channel Lockout ..........46 [22: STARTUP] Power On Message ............46 [23: ST-MSG] Custom Power On Message ..........47 [24: TIMER] Stopwatch Timer ..............47 [25: AUTOLOCK] Auto Lock ..............48 [26: LOCKMODE] Lock Mode ..............48...
- Page 6 [30: PF2-LONG] Side Key PF2 Long Press Assignment ......50 [31: TOP-SHRT] Top Key Short Press Assignment ........50 [32: TOP-LONG] Top Key Long Press Assignment ........51 [33: VOLTAGE] Voltage ................51 [34: RESET] Factory Reset................51 Advanced Operation ������������������������������������������������������������������������������� 53 Adding and Removing Channels ..............53 Troubleshooting �������������������������������������������������������������������������������������...
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Page 7: Safety Information
Safety Information Safety Information Safety Information The KG-S74A is an electrical apparatus, as well as a generator of RF (Radio Frequency) energy, and you should exercise all safety precautions as are appropriate for this type of device. Please read the suggestions and warnings below before using the transceiver. - Page 8 Use of other accessories may exceed RF exposure guidelines. Notice ▪ These tips are important for safe operation of your KG-S74A radio and its accessories. If the transceiver does not function normally, please get in touch with your dealer immediately.
- Page 9 Safety Information Safety Information Caution Please read this manual before using the radio, as it includes important instructions for the safe handling, use and operation of your radio. FCC Compliance This device complies with Part 15 of the FCC Rules. Operation is subject to the follow- ing two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may...
- Page 10 Safety Information Note: This equipment has been tested and found to comply with the limits for a Class B dig- ital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
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Page 11: Fcc Licensing Information
DO NOT attempt to use the radio with a damaged antenna. FCC Licensing Information The Wouxun KG-S74A is FCC Part 87 type accepted for use on the Aviation Radio Service. The KG-S74A operates on Aviation Radio Service frequencies according to the Federal Communications Commission (FCC) Rules in the United States. -
Page 12: Getting Started
Getting Started Getting Started Feature Summary ▪ ▪ Up to 400 Custom Channels Priority Channel Scanning ▪ ▪ Up to 6 Watts (PEP) Output Power Superheterodyne Receiver ▪ ▪ 118.00-136.99 MHz Monitor Function ▪ ▪ NOAA Weather Channels ▪ ▪ NOAA Weather Alerts English Voice Guide ▪... -
Page 13: What's Included
Getting Started Getting Started What’s Included Carefully unpack the contents of the box and be sure that you have the items in the list below. If any items are missing or damaged, please contact your dealer. Transceiver High Gain Antenna Lithium-ion Battery Pack Intelligent Charger Headset Adapter... -
Page 14: Front Panel Guide
Getting Started Front Panel Guide Antenna Channel Knob Volume Knob Flashlight Top Key RX/TX LED (Green/Red) Speaker Microphone Display Up/Down Keys Menu/Enter Exit/Cancel Scan (Long Press) Keypad MODE STEP SCAN CH-ADD CH-DEL CH-NAM Keypad Lock BKLT SC-ADD... -
Page 15: Right / Left Side Guide
Getting Started Getting Started Right / Left Side Guide Top Key Short Press: EM-121.5 Long Press: FLASH-LT Transmit/PTT Key Earphone Jack Short Press: SQUELCH Long Press: WEATHER Short Press: RECALL USB Charging Port Long Press: MODE Note: Defaults are shown for PF1 / PF2 / Top. These buttons can be assigned different functions in the menu. -
Page 16: Display Guide
Getting Started Display Guide Battery Save Weather Alert Weather Mode Keypad Lockout Priority Scan Battery Voltage Current Channel Channel Number Signal Strength Indicator... -
Page 17: Dust And Water Protection
Getting Started Dust and Water Protection The KG-S74A is waterproof to IP67 standards. It is dust resistant and rated to with- stand any ingress of solid objects and can withstand immersion in up to 1 meter of water for up to 30 minutes. This radio is dust and waterproof only while the battery is... -
Page 18: Installing And Removing The Battery
Charging the Battery The KG-S74A features two charging options for the battery pack. It can be charged using the included desktop charger or the built-in USB-C port on the side of the radio. - Page 19 Getting Started Charging with the Desktop Charger The KG-S74A includes an intelligent desktop charger. It can charge the battery pack with or without the radio attached. 1. Insert the AC plug into an available 100~240v outlet. The LED light on the charger base will flash red for 2-3 seconds.
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Page 20: Antenna Information
Getting Started Charging with the USB-C Port The KG-S74A can charge the battery from the USB-C charging port on the side of the radio using an optional USB-C cable (not included). The battery pack can be fully charged with a USB cable connected to a USB to AC adapter plugged into an AC outlet or a to a USB port in a vehicle, power bank or computer. -
Page 21: Installing The Belt Clip
Getting Started Getting Started the frequency range of your radio. Aftermarket antennas may be used, provided they are tuned for this frequency range. An SMA Female to BNC adapter is included for connecting to mobile antennas. Warning: To avoid injury, DO NOT attempt to operate your radio if the antenna is damaged or defective. -
Page 22: Operation
400 customized channels directly from the keypad of the radio. It can also be configured using optional programming software. Read this chapter to learn the basics of using your new KG-S74A radio, such as select- ing a channel, transmitting and receiving, and scanning. -
Page 23: Your First Transmit
Your First Transmit Selecting a Channel or Frequency When you power on your KG-S74A for the first time, the screen will likely display “118.000” in the center area. This is the current frequency. Turn the Channel Knob or the [UP] / [DOWN] keys to navigate through the list of frequencies. -
Page 24: Channel And Frequency Modes
In channel mode, frequencies that have been saved can be selected from the channel list. This is the most convenient way to access commonly used frequencies. The KG-S74A allows users to save up to 400 custom channels. In channel mode, turning the Channel/ Frequency Knob or pressing the [UP] / [DOWN] keys will tune to the next channel in the list. -
Page 25: Channels
Channel and Frequency modes. Channels The KG-S74A supports 400 customizable memory channels. Instructions for adding and deleting channels are located in the Advanced Operations section (page 53). The KG-S74A can only transmit and receive on frequencies in the aviation band. -
Page 26: Channel Scan
Operation Channel Scan The KG-S74A has a channel scan feature. To activate Channel Scan, press and hold the [*SCN] key for two seconds or until you hear “Scan Begin”. The radio will scan each channel for activity, starting from the current channel. The Scan feature also works in Frequency Mode. -
Page 27: Priority Channel Scan
Operation Priority Channel Scan The KG-S74A supports Priority Channel Scanning. With this feature a priority chan- nel can be specified that is scanned much more frequently than other channels. This helps prevent missing all or part of a transmission when you are primarily concerned with a single channel. -
Page 28: Noaa Weather Mode
Operation NOAA Weather Mode NOAA Weather Mode allows you to quickly access weather information from a local NOAA broadcast station. To activate NOAA Weather Mode, press the appropriate PF key if one has been as- signed to the WEATHER function. The display will change to show a NOAA broad- cast station frequency starting with 162 MHz and a rain cloud icon will appear above it to indicate the radio is in Weather Mode. - Page 29 The KG-S74A features a Weather Alert option (page 43). When Weather Alert mode is active and the radio is in standby mode, the KG-S74A will monitor the cur- rently selected weather channel for an alert tone (1050Hz) that indicates a weather warning or alert has been issued.
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Page 30: Keypad Hotkeys
Operation Alert Option Alert Description ICON-ONLY Displays weather alert icon and radio remains on regular channel. TONE Displays weather icon and emits an alert beep every 60 seconds. FLASH Displays weather icon and flashlight LED pulses 5 times every 60 seconds. TONE+FLSH Displays icon, emits alert and the flashlight LED pulses every 60 seconds. - Page 31 Operation Operation confirm, then press [EXIT] to save the setting and exit the menu. Hotkey Function/Menu Item Squelch menu function (page 38) MODE Channel display mode menu function (page 38) STEP Frequency step menu function (page 39) CH-ADD Add memory channel menu function (page 39) CH-DEL Delete memory channel menu function (page 39) CH-NAM Channel name menu function (page 40)
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Page 32: Key Lock
Channel Knob. Key Lock The buttons on the KG-S74A can be locked to prevent them from being accidentally pressed. When the Key Lock is enabled, buttons and other controls will be disabled according to the options chosen in the [LOCKMODE] menu item (page 48) To activate the Key Lock, press and hold the [#LOCK] key for two seconds. -
Page 33: Keypad Function Keys
Exit the menu or cancel a function Goes to the next channel, frequency or menu item DOWN Goes to the previous channel, frequency or menu item Programmable Key Functions The KG-S74A has two programmable keys called [PF1] and [PF2] located on the left... - Page 34 Operation side of the radio below the PTT key. It also has a programmable [TOP] key. Each key can perform two different functions, one activated with a short press and one with a long press. These functions can be assigned to the [PF1], [PF2] and [TOP] buttons from the menu (pp.
- Page 35 [TOP] key using the menu (pp. 49-51). Flashlight The KG-S74A has a built-in LED flashlight at the top of the radio. It is assigned to a long press of the [TOP] key by default, but can be disabled or otherwise assigned to the [PF1], [PF2] or [TOP] key using the menu (pp.
- Page 36 Operation Recall This function returns to the previously tuned frequency or channel. Frequencies or channels tuned for more than 5 seconds will be activated as the next RECALL fre- quency. When the RECALL option is pressed, the radio will go to the RECALL channel or frequency and set the new RECALL channel/frequency to the previously active channel.
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Page 37: Stopwatch Timer
Operation Stopwatch Timer The KG-S74A has a built-in stopwatch timer. It can be enabled using the TIMER menu option (page 47). Once enabled, Press [#LOCK] on the radio to activate the stopwatch. Press any key or turn the channel knob to stop the timer. When stopped, press [#LOCK] to clear and restart the timer, or press any key to deactivate the stop- watch and return to standby mode. -
Page 38: Menu Functions
Menu Functions Menu Functions [01: SQUELCH] Squelch Function: The squelch function mutes the speaker when no signal is detected. Adjusting the squelch sensitivity allows you to control how strong of a signal is required in order to unmute the speaker. Selecting a lower number will allow weaker signals to be heard, higher numbers require a stronger signal. -
Page 39: [03: Step] Frequency Step
Menu Functions Menu Functions S74A. CH-FREQ: Channel Mode. Displays the channel frequency (Example: 118.100) CH-NUM: Channel Mode. Displays the channel number (Example: CH-001) [03: STEP] Frequency Step Function: Allows you to adjust the steps between frequencies. Available only in Fre- quency mode. -
Page 40: [06: Ch-Name] Channel Name
Menu Functions Default: None [06: CH-NAME] Channel Name Function: Allows you to edit the name for the currently active channel. To edit a chan- nel name, press [MENU] and choose the CH-NAME option. the name of the current channel will be in edit mode and the first character will flash to indicate it is currently being edited. -
Page 41: [08: Vox] Voice Activated Transmit
Menu Functions Menu Functions Options: OFF/1-20S/ALWAYS Default: 10S [08: VOX] Voice Activated Transmit Function: The VOX function allows you to transmit without pressing the PTT key. The VOX function will detect that you are speaking into the microphone and then automatically begin transmitting. VOX gain levels of 1-9 are provided to allow you to adjust the voice detection sensitivity. -
Page 42: [11: Pri-Scan] Priority Scan
Menu Functions Function: Scan mode settings Options: TO/CO/SE Default: TO TO: When a signal is detected, scanning stops. Scan will pause to wait for further activity and will then resume if no operation is carried out within 5 seconds. Pressing PTT will transmit on the currently selected channel. CO: When a signal is detected, scanning stops and resumes immediately after the sig- nal is lost. -
Page 43: [12: Pri-Ch] Priority Channel
Menu Functions Menu Functions ON: Activity on a priority channel will supercede all incoming transmissions. [12: PRI-CH] Priority Channel Function: Selects the priority channel. This is used during scanning when the Priority Scan (menu option 11) feature is enabled. To select a priority channel, use the [UP] and [DOWN] keys to select a channel number. -
Page 44: [15: Bat-Save] Battery Saver
Menu Functions Options: WEATHER/ICON-ONLY/TONE/FLASH/TONE+FLASH Default: WEATHER ICON-ONLY: Displays weather alert icon and radio remains on regular channel. TONE: Displays weather icon and emits an alert beep every 60 seconds. FLASH: Displays weather icon and flashlight LED pulses 5 times every 60 seconds. TONE+FLSH: Displays icon, emits alert and flashlight LED pulses. -
Page 45: [17: Tot] Transmit Overtime Timer
Menu Functions Menu Functions Default: 1S [17: TOT] Transmit Overtime Timer Function: When the transmission time exceeds the time set by the Transmit Overtime Timer, the unit will emit an error prompt and stop transmitting. Options: 15-900 seconds (15 second increments) Default: 60 seconds [18: TOA] Transmit Overtime Alarm Function: The Transmit Overtime Alarm warns when the Transmit Overtime Timer... -
Page 46: [20: Voice] Voice Guide
Menu Functions Function: Enables an audio prompt to alert the operator of a key press, input or fault. Selectable: ON/OFF Default: ON [20: VOICE] Voice Guide Function: Enable or disable voice prompts. Options: OFF/ON Default: ON [21: BUSYLOCK] Busy Channel Lockout Function: Enabling Busy Channel Lockout prevents the transceiver from transmitting on a selected channel while another station or group is transmitting on it. -
Page 47: [23: St-Msg] Custom Power On Message
When you finish editing the message, press [MENU] to save. Options: 8 Characters Default: KG-S74A [24: TIMER] Stopwatch Timer Function: Activates the timer feature. If ON, activate the timer by short pressing [EXIT] in standby mode. Press [MENU] to stop the timer. Press the... -
Page 48: [25: Autolock] Auto Lock
Menu Functions [EXIT], [UP] or [DOWN] keys to exit the timer. Options: ON/OFF Default: OFF [25: AUTOLOCK] Auto Lock Function: Automatically locks the keypad after a specified time. This can be set from 10 to 60 seconds, in 10 second increments. Options: OFF/10-60S Default: OFF Note: To unlock the radio, hold the [EXIT] key for 2 seconds. -
Page 49: [27: Pf1-Shrt] Side Key Pf1 Short Press Assignment
Menu Functions Menu Functions ALL: Locks the front keypad, [PF1], [PF2], [TOP] keys, [PTT], and channel knob. Note: To lock or unlock the radio, hold the [#LOCK] key for 2 seconds. [27: PF1-SHRT] Side Key PF1 Short Press Assignment Function: Assigns a function to the [PF1] side key. A function is assigned to a short button press. -
Page 50: [30: Pf2-Long] Side Key Pf2 Long Press Assignment
Menu Functions Function: Assigns a function to the [PF2] side key. A function is assigned to a short button press. Options: OFF/BACK-LT/SQUELCH/WEATHER/RECALL/MODE/MONI- TOR/EM-121.5/FLASHLT Default: RECALL [30: PF2-LONG] Side Key PF2 Long Press Assignment Function: Assigns a function to the [PF2] side key. A function is assigned to a long button press. -
Page 51: [32: Top-Long] Top Key Long Press Assignment
Menu Functions Menu Functions Default: EM-121.5 [32: TOP-LONG] Top Key Long Press Assignment Function: Assigns a function to the [TOP] key. A function is assigned to a long button press. Options: OFF/BACK-LT/SQUELCH/WEATHER/RECALL/MODE/MONI- TOR/EM-121.5/FLASHLT Default: FLASHLT [33: VOLTAGE] Voltage Function: Displays the current battery voltage. Options: None Default: None [34: RESET] Factory Reset... - Page 52 Menu Functions VFO: Resets function settings to factory defaults but retains channel parameters. ALL: Resets all of the function settings and channel parameters to factory defaults.
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Page 53: Advanced Operation
Advanced Operation Adding and Removing Channels The KG-S74A allows you to add and delete channels directly from the keypad of the radio using the CH-ADD and CH-DEL options in the menu. New channels can be created from scratch in Frequency mode or cloned from existing channels in Channel mode. - Page 54 Advanced Operation channel number, then press [MENU] to save it and return to standby mode. Channels that are unassigned or available to program will have the letter N next to the channel name. Channel name and channel scan settings will not be cloned. To modify settings for the cloned channel, select the channel and then use the menu settings to select the options you wish to change.
- Page 55 Advanced Operation Advanced Operation 4. Once the frequency is working as desired, save the new channel by pressing [MENU] + [4] to enter the CH-ADD function. 5. Turn the channel knob or press the [UP] and [DOWN] keys to select an available channel number, then press [MENU] to save it and return to standby mode.
- Page 56 Advanced Operation [MENU] to confirm. 2. Turn the channel knob or press the [UP] and [DOWN] keys to select the desired channel number, then press [MENU] to delete it and return to standby mode. Channels that are unassigned or available to program will have the letter N next to the channel name.
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Page 57: Troubleshooting
Troubleshooting Troubleshooting Before assuming your KG-S74A is defective, please check the following list of possi- ble problems and solutions. The RESET option provided in the menu can be used to restore factory standard settings and programming, and will often solve issues. - Page 58 Troubleshooting Problem Solution ▪ Battery life lower than Be sure the charger indicates the battery is fully expected charged. ▪ The battery pack capacity will naturally diminish over a number of charge cycles. This is the case with all lithium batteries.
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Page 59: Technical Information
Technical Information Technical Information Technical Information Technical Information Specifications Entire Radio Frequency Range 118.000-136.99166 MHz Memory Channels Frequency Stability ±2.5 PPM Work Temperature -30°C~+60°C / -22°F~140°F Antenna Impedance 50Ω Power Supply 7.4VDC Weight 8.32oz / 236g Size 4.53 × 2.14 × 1.36 (in) / 115 × 54.3 × 34.6 (mm) Dust/Waterproof IP67... - Page 60 Technical Information Receiver Transmitter Adjacent Channel RF Carrier Power 6W (PEP) / 2.4W (CW) ≤60dB Selectivity Adjacent Channel ≥60dB Inter-modulation ≤65dB Power ≤84dB Spurious ≤-30dBm Resistance +1~3dB +3dB Audio Response Audio Modulation (0.3~3KHz) (0.3~2.55KHz) Audio Distortion ≤5% Max Frequency ±2.5KHz Offset Output Power 500mW...
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Page 61: Noaa Weather Channels
Technical Information Technical Information NOAA Weather Channels Ch. Frequency Ch. Frequency 162.4000 162.5000 162.4250 162.5250 162.4500 162.5500 162.4750... -
Page 62: Optional Accessories
Optional Accessories Optional Accessories Shop Wouxun Accessories: www.buytwowayradios.com/accessories/by-radio-brand/wouxun-radio-accessories.html... -
Page 63: Limited Warranty
Limited Warranty Limited Warranty Limited Warranty Limited Warranty We warrant this product against defects in material and workmanship as follows: Radio and its original primary components for a period of one (1) year from date of purchase. Accessories (including battery, charger, belt clip, antenna and adapter) for a period of six (6) months from date of purchase. - Page 64 This warranty is valid only within the United States of America. Note: Product features, specifications and warranty terms are subject to revision by the manufacturer without notice. We are not responsible for unintentional errors or omis- sions on product packaging. Version: KG-S74A-2302-V1...
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