CONTENTS 1.FUNCTIONS & FEATURES ................1 2.STANDARD ACCESSORIES ................2 3.INSTALLATION ....................3 4.GETTING ACQUAINTED .................6 5.HOW TO USE YOUR RADIO ................9 6.KEYPAD FUNCTION ..................10 7.CHANNEL FUNCTION MENU OPERATION ..........13 8.PUBLIC DATA FUNCTION MENU OPERATION ..........15 9.BACKGROUND FUNCTION MENU OPERATION ........16 10.SELF DEFINE PF KEY ................20 11.SPECIFICATIONS ..................22...
Power Supply Voltage Protection Key-Lock Function DTMF Function BEEP Prompt Enhanced VOX Function (VOX.SPK can support digital mode operation) ECHO Function Programmable RB Function AM TX NPC User Defined (PF) key on microphone Audio path select +10KHz Function AT-6666PRO 10 Meter Radio...
Damage to the radio may result. ▲ To reduce the risk of electric shock, or radio damage, base station installations should include lightning protection devices. ▲ Ask your authorized dealer or an authorized service center for available antenna options. AT-6666PRO 10 Meter Radio...
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1. Pull the two fuse cover in opposite directions and open it. 2. Replace the blown fuse with a new one, and close the fuse holder. 3. Be sure to only use the correct fuse type, otherwise damage may occur. AT-6666PRO 10 Meter Radio...
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3.5 Install External Speaker ................. If using an external speaker, please choose an 8 ohm speaker with a 3.5mm mono (double cable) TS type plug. 1. Locate the external speaker in a suitable place. 2. Plug into the speaker jack. AT-6666PRO 10 Meter Radio...
Emergency Channel; Keypad lock RF Power Control RF Gain Control Squelch Control CLAR SSB/CW Clarifier Control VOL / OFF Power On/Off; Volume Control CH / PUSH Channel Switch; PUSH key RX/TX Indicator Microphone Jack LCD Display AT-6666PRO 10 Meter Radio...
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4. GETTING ACQUAINTED 4.2 Rear Panel ....................EXT SP DATA No. Functions PC Cable Jack External Speaker Jack Antenna Jack 4.3 Microphone ..................... PF (User defined) DOWN 6-Pin Connector EXT.AF Microphone cable MIC.KEY 6. +DC AT-6666PRO 10 Meter Radio...
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Appears when Dual Watch function is ON Appears when NRC Noise Reduction function in ON Appears when ASQ is enabled Appears when DCS is enabled Appears when CTCSS is enabled Displays the Frequency and Channel information AT-6666PRO 10 Meter Radio...
3. When the desired frequency digit/step is flashing, turn CH clockwise to increase frequency, or anti-clockwise to reduce frequency. Note: In channel mode, changing the VFO frequency is temporary, and is not saved to memory. The frequency will return to the default programmed channel after after changing channels. AT-6666PRO 10 Meter Radio...
A-B-C-D-E-F-G-H-I. 6.4.2 COLOR Press key switch LED backlight color, repeat this operation to switch between different color backlights. 6.4.3 VFO Long press key to turn on the VFO function. The LCD displays "VF" AT-6666PRO 10 Meter Radio...
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CTCSS/DCS function, repeat this operation to switch ON/ OFF the function. Long press key to quickly enter the CTCSS/DCS function setting. 6.7.2 HI-CUT Press key to turn on HI-CUT function, LCD displays " "; Repeat this operation to switch ON/OFF the function . AT-6666PRO 10 Meter Radio...
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Note: See Menu item #20 and #21 for EMG channel settings. Keypad Lock Function: 1. Long press to lock keys, LCD displays " "; 2. Long press again to unlock the keys. Note: When this function is turned on, only the [PTT] button is valid. AT-6666PRO 10 Meter Radio...
Note: Press SCAN key to start CTCSS/DCS scanning. ADD: LCD displays "SC", present channel is added to scan list. Add/delete DEL: LCD does not display "SC", present channel is Scan list not added to scan list. Default: OFF AT-6666PRO 10 Meter Radio...
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(e.g. if the radio is set to FM mode and NB, then all channels with PD=ON will follow this last used global PUBLIC mode and setting. PC Software can also be used to configure the PUBLIC DATA option for individual channels, bands, or to apply these settings globally. AT-6666PRO 10 Meter Radio...
CALL: Hold PTT+EMG to send DTMF encode; DTMF PTT Note: If the M1-M16 memory storage has no PTT ID's set, the DTMF function will be defaulted to OFF. DTMF groups can only be selected once they have been programmed. AT-6666PRO 10 Meter Radio...
MAIN: The VOL knob controls the internal speaker volume; MIC.JACK: The VOL knob controls the microphone jack output volume; VOL.PATH BOTH: The VOL knob controls both the internal speaker and microphone jack output volume; Default: MAIN AT-6666PRO 10 Meter Radio...
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WHITE, BLUE, GREEN, YELLOW, RED, Backlight PURPLE, CYAN Color Default: WHITE Set the Dual Watch channel, mode and band: DW Channel Turn channel knob to change channel, press MODE to choose the mode, press BAND to choose the band. AT-6666PRO 10 Meter Radio...
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Level Default: OFF 01-05: Total of 5 levels for TX noise reduction; TX Noise OFF: Turn off TX noise reduction; Reduction Level Default: OFF 2K: 2KHz FM deviation 4K: 4KHz FM deviation FM Deviation Default: 2K AT-6666PRO 10 Meter Radio...
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Press PUSH again to edit next list. Hold PUSH to store any chnages and exit back to the main menu. OPT: Settings/Functions reset to defaults; ALL: Channels and Settings/Functions reset to defaults; Reset Default: OPT AT-6666PRO 10 Meter Radio...
- If a channel has no CTCSS/ DCS, the LCD will show "ERROR" Enter ASQ level setting menu MIC.GAIN Enter Mic Gain setting menu AM.NPC AM TX NPC ON/OFF RXNR RXNR ON/OFF Enter RXNR setting menu AT-6666PRO 10 Meter Radio...
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Choose FM Deviation level TONE Choose SSB TX bandwidth When set to SWR, long press INDIC Choose LCD meter display enters SWR setting menu. CH.PUSH Choose frequency STEP size Enter Public Setting PD menu AGC.SET Choose AGC FAST/SLOW speed AT-6666PRO 10 Meter Radio...
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Questions and answers
How can a CW key be added to the AT-6666 Pro for use on CW?