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Maas AHT-9-UV User Manual

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TO CUSTOMERS
Thank you very much for using our two way radio.
This radio of modern design is reasonable structure
with stable functions. It is designed to meet different
customers' need for high quality with easy operation
and perfect capablity. We believe you are pleased with
its nice shape and excellent performance.
This manual is suitable for using the model of AHT-9-UV.

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Summary of Contents for Maas AHT-9-UV

  • Page 1 It is designed to meet different customers' need for high quality with easy operation and perfect capablity. We believe you are pleased with its nice shape and excellent performance. This manual is suitable for using the model of AHT-9-UV.
  • Page 2 Welcome to use two-way radio Professional FM Transceiver...
  • Page 3 Main Functions Dual band, dual display, dual standby A/B band independent operation 2 x 128 channels storage and scanning Shortcut menu operation mode FM radio and 25 stations memory Professional FM Transceiver CTCSS/DCS and tone search scanning Repeater shifts and ARS function Tone calling 1750Hz tone 25kHz/12.5kHz channel spacing switchable High/middle/low TX power switchable...

  • Page 4: Table Of Contents

    CONTENTS USING TIPS UNPACKING AND CHECKING EQUIPMENT Supplied Items CHARGING BATTERY PACK Charging Preparation Charging Operation INSTALLATION OF ACCESSORIES Installation of Battery Pack Antenna Installation Installing Belt Clip Installing External Micro/Speaker GETTING FAMILIAR Radio Illustration LCD Display Keypad Functions WORKING MODE Frequency Mode (VFO) Frequency-Channel Mode (MR) Channel Mode (CH)
  • Page 5 SET MENU MODE SHORTCUT MENU OPERATION DETAILED FUNCTION DESCRIPTION Scan & Scan Mode setting Priority Transmit VOX Level TX Power setting Squelch Adjustment Dual Wait/Standby LED Display Mode Backlight Brightness setting Keypad Beeper setting Automatic Number Identity Transmitter Time-Out Timer Busy Channel Lock-Out Transmit Over Beeper Dual Watch/Monitor...
  • Page 6 VFO Step setting Wide/Narrow Band Selecting Vibration Man Donwn Voice Mode and Scrambler ADVANCED FUNCTIONS PTT/ANI ID Setting Emergency Alert Keypad Locking Setting Reverse Frequency Tone Calling (1750Hz) Add Channel Scanning Channel Storage Operation FM Radio Operation Wire Clone OPTIONAL SIGNALINGS DTMF Part MSK Part 2-Tone Part...

  • Page 7: Using Tips

    User's Manual USING TIPS UNPACKING AND CHECKING EQUIPMENT Professional FM Transceiver...
  • Page 8 USING TIPS Please read the following brief instructions, non-compliance with these rules may cause danger or violate the law. Obey the local government regulation before using this radio, improper use may violate the law and be punished. Turn off the radio before entering flammable or explosive areas. Do not charge or change the battery in flammable or explosive areas.

  • Page 9: Supplied Items

    UNPACKING AND CHECKING EQUIPMENT AHT-9-UV Supplied Items: AHT-9-UV scan color beep lock EXIT Charger(1) AHT-9-UV...

  • Page 10: Charging Battery Pack

    User's Manual CHARGING BATTERY PACK INSTALLATION OF ACCESSORIES Professional FM Transceiver...
  • Page 11 CHARGING BATTERY PACK Charging Precaution AHT-9-UV 7.4V 1500...

  • Page 12: Charging Operation

    Charging Operation Indicator Display Status Green...

  • Page 13: Installation Of Accessories

    INSTALLATION OF ACCESSORIES Installation of Battery Pack Fit the supplied battery pack into the batter pack trough, then slide it toward the head to insert it completely---in direction of arrowhead • . Push the battery pack lock to release the battery pack and slide it toward the bottom to remove it out---in direction of arrowhead •...

  • Page 14: Antenna Installation

    Antenna Installation The supplied high gain antenna provides high performance at the entire VHF/UHF frequency range of the transceiver. Picture 3 Picture 4 F U N F U N P T T P T T M O N M O N A /B VO X A /B...

  • Page 15: Installing Belt Clip

    Installing Belt Clip Picture 5 Picture 6...

  • Page 16: Installing External Micro/Speaker

    Installing External Micro/Speaker F U N A / B s c a P ri VO X S ql le d c o lo b ee p lo c k a n i t- r E X IT Picture 7...

  • Page 17: Getting Familiar

    User's Manual GETTING FAMILIAR Professional FM Transceiver...

  • Page 18: Radio Illustration

    SPEAKER The internal speaker is located here. The internal microphone is located here. KEYBOARD These 16 keys select the operating features on the scan AHT-9-UV.The function of the keys are described in color beep details on pages 16&17. EXIT lock...
  • Page 19 CALL Activates T-CALL (1750Hz) for repeater access and transmit CALL DTMF and 2/5 tone signaling. MIC/SP The jack provides connection points for microphone audio, Press it to transmit and release earphone audio, speaker and it to receive after your program cable. transmission is completed.

  • Page 20: Lcd Display

    LCD DISPLAY You will see various icons shown on the screen when power on. The following table can help you identify icons’ meaning which display on LCD. Icons Description of functions Operating band signal & power meter Low TX power active Dual watch/standby active RX power save active VOX active...
  • Page 21 Icons Description of functions Squelch active Beep tone active Receive calling ID or MSG Scrambler active Battery power indicator CTCSS decoder active DCS decoder active 5 Tone signaling active 2 Tone signaling active DTMF signaling active Operating A band indicator Operating B band indicator Frequency mantissa indicator Channel number/Menu items number indicator...

  • Page 22: Keypad Functions

    KEYPAD FUNCTIONS Press Enter menu Switch the Upper menu Lower menu Switch VFO mode/confirm A or B item, channel item, channel mode and the setting frequency or frequency or frequency MR mode/exit to be the the setting “Operating” Band Press and Enter reset No action Switch CH...
  • Page 23 Press Frequency/ Frequency/ Frequency/ Frequency/ Frequency/ Channel No. Channel No. Channel No. Channel No. Channel No. entry “6” entry “7” entry “8” entry “9” entry “0” Press Enter dual Enter LED Enter color Enter beep Enter ANI wait/standby item item item item item...

  • Page 24: Working Mode

    User's Manual WORKING MODE SET MENU MODE SHORTCUT MENU OPERATION Professional FM Transceiver...

  • Page 25: Frequency Mode (Vfo)

    Please see Shortcut Menu Operation Item 23&24. Page 36. 4) FM Radio Mode AHT-9-UV provides frequency 76.00-108.00MHz FM radio. Under this mode, you can choose FM frequency you need directly. Scan frequency range and store your favorite channels. Press [...

  • Page 26: Menu Mode

    5) MENU Mode Press [ ] key to enter MENU mode, there are 34 items in total. Please see SET MENU MODE. Page 21 6) Reset Mode Press [ ] key and switch the power on to enter Reset mode, then press [ ] key to enter.

  • Page 27: Set Menu Mode

    SET MENU MODE LCD Display Available Values Description of Function SCAN Frequency/Channel Scan TX.SEL EDIT / BUSY Priority Transmit VOX Level Setting POWER LOW / HIGH High/Low TX Power SQL level setting D.WAIT ON / OFF Dual Wait/Standby ON / AUTO / OFF LED Display mode LIGHT COLOR1 / COLOR2 / COLOR3...
  • Page 28 LCD Display Available Values Description of Function RX.SAV ON / OFF Receive Saver Receive Saver SCAN.S TO / CO / SE Scan Mode Scan Mode AUTOLK ON / OFF Auto Keypad Lock Auto Keypad Lock VOICE ON / OFF Voice Prompt Voice Prompt OPNSET OFF / DC / MSG...

  • Page 29: Menu Operation

    LCD Display Available Values Description of Function WIDE/NARROW Wide/Narrow Band SEEK 67.0 CTCSS Scanning SEEK D023N DCS Scanning DALARM ON/OFF Man Down VIBRATE ON/OFF Vibration SCR.NO Voice scrambler APRO OFF/COMP/SCRA voice mode Menu Operation Under standby mode, press [ ] to enter menu setting, LCD displays “MENU”.

  • Page 30: Shortcut Menu Operation

    SHORTCUT MENU OPERATION Item Item Enter Screen Select Parameter Confirm Return Name item Display parameter Explanation Standby Press [ Frequency Press [ ] or Press [ ] key to twice to exit ] to change /Channel start scanning scan direction scan Press [ Priority...

  • Page 31: Automatic Number Identity

    Item Item Enter Screen Select Parameter Confirm Return Name item Display parameter Explanation Standby Automatic Press [ Press [ ] or ON / OFF twice to exit ] to change Number scan direction Identity Press [ Transmitter Press [ ] or twice to exit OFF / 30...

  • Page 32: Power-On Display Setting

    Item Item Enter Screen Select Parameter Confirm Return Name item Display parameter Explanation Standby Voice Press [ Press [ ] or ON / OFF ] to select twice to exit prompt available values Power-on Press [ Press [ ] or OFF / DC / MSG ] to select twice to exit...

  • Page 33: Vfo Step Setting

    Item Item Enter Screen Select Parameter Confirm Return Name item Display parameter Explanation Standby Press [ RX tone Press [ ] or twice to exit OFF / QT / DCS ] to select coder available values Press [ TX tone Press [ ] or twice to exit...
  • Page 34 User's Manual DETAILED FUNCTION DESCRIPTIONS ADVANCED FUNCTIONS Professional FM Transceiver...
  • Page 35 DETAILED FUNCTION DESCRIPTIONS 1) Scan & Scan Mode setting (SCAN&SCANS---MENU 1&17) Functions: under VFO/MR/CH mode, AHT-9-UV allows you to scan the entire current operating band and memory channels. Enter Menu 1 and press [ ] key to start scanning. When you have started scanning, press [ ] / [ ] key to change direction.
  • Page 36 2) Priority Transmit (TX.SEL---MENU 2) Functions: AHT-9-UV allows you to transmit on the sub band even if you are working on the operating band. Enter Menu 2 to select priority transmit band. Default: EDIT. EDIT: It will transmit on the operating band.
  • Page 37 SQL level. Default: 5. 6) Dual Wait/Standby (D.WAIT---MENU 6) Functions: AHT-9-UV allows you to receive the sub band signal even if you are working on the operating band. It could monitor the signal under both master and sub band at the same time.
  • Page 38 Enter Menu 9 to set keypad beeper. Default: ON. 10) Automatic Number Identity (ANI---MENU 10) Functions: sending ID code when AHT-9-UV transmits, the others can receive it directly on the display if they also have ANI function. Enter Menu 10...
  • Page 39 11) Transmitter Time-Out Timer (TOT---MENU 11) Functions: the TOT feature provides a safety switch which limits transmission to a pre-programmed value. This will promote battery conservation by not allowing you to make excessively-long transmissions, and in the event of a stuck PTT switch it can prevent interference to other users as well as battery depletion.
  • Page 40 14) Dual Watch/Monitor (DW---MENU 15) Functions: Dual Watch feature makes AHT-9-UV can monitor the calling signal when FM radio is on and you won’t miss any calling. Enter Menu 15 to set DW. Default: OFF. 15) Receive Saver (RX.SAV---MENU 16) Functions: this feature significantly reduces quiescent battery drain, and you may not receive the full data burst.
  • Page 41 18) Power-on Display setting (OPN.SET&VLT&PON.MSG---MENU 20&21&22) Functions: choose power-on display mode and edit power-on message Enter Menu 20 to set OPN.SET. Default: OFF. OFF: display model version DC: battery power voltage MSG: power-on message Enter Menu 21 to check battery voltage. Enter Menu 22 to edit power-on message, also you can edit it directly by program software.
  • Page 42 ] key to select CTCSS/ DCS/ OFF. After you choose CTCSS/ DCS, press [ ] / [ ] key to choose the right group you need. 2) Press [ ] key to select DCS direction. AHT-9-UV has 50 groups CTCSS, 104 groups normal/inverted DCS.
  • Page 43 CTCSS TONE FREQUENCY (Hz) 67.0 69.3 71.9 74.4 77.0 79.7 8.25 85.4 88.5 91.5 94.8 97.4 100.0 103.5 107.2 110.9 114.8 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 156.7 159.8 162.2 165.5 167.9 171.3 173.8 177.3 179.9 183.5 186.2 189.9 192.8 196.6...
  • Page 44 DCS CODE...
  • Page 45 Function 2: TONE Search Scanning In operating situations where you don’t know the CTCSS/DCS tone being used by another station or stations, you can command the radio to listen to the incoming signal and scan in search of the tone being used. Enter Menu 31 to start CTCSS/DCS searching.

  • Page 46: Wide/Narrow Band Selecting

    26) Voice Mode and Scrambler (SCR&APRO---MENU 35&36) Functions: only 2/5 tone version has this function. AHT-9-UV has 8 groups of scrambler; it is accomplished by the addition of components to the original signal in order to make extraction of the original signal difficult. And its voice compand technology will make the voice more clearly in the noise environment.

  • Page 47: Advanced Functions

    ADVANCED FUNCTIONS 1) PTT ID SETTING PTT ID (Programmed by AHT-9-UV software) This transceiver supports two optional signalings, MSK and DTMF. DTMF signaling only supports encoding. Set transmitting and receiving frequency in advance and then program PTT ID via software, click in sequence: -Program-Optional Features-PTT ID setting. And click the ANI (mark •).

  • Page 48: Emergency Alert

    EMERGENCY ALERT [ ] + [ Under standby mode, press [ ] to enter menu setting, LCD displays “MENU”; then press [ ] to turn on emergency alert function, radio will transmit emergency ring for 20S and then receive for 10S, until you press PTT, it will exit.

  • Page 49: Tone Calling (1750Hz)

    TONE CALLING (1750Hz TONE) To access a repeater, press and hold in [ ] key for the amount of time specified by the repeater. The transmitter will automatically be activated, and a 1750Hz audio tone will be superimposed on the carrier.
  • Page 50 2) Press [ ] + [ ] or press [ ] + [ ], then press ] to enter 3) Press [ ] to choose CTCSS mode, LCD displays C-CDC 67.0 4) Press [ ] or [ ] to choose 154.1, then press [ ] to confirm 5) Press [ ] twice to exit...
  • Page 51 FM RADIO FUNCTION 1) On/off radio receiver Under standby mode, press [ ] to open FM radio function, LCD display “76.00M”, then press [ ] again, radios receiver is off. Note: under FM radio mode, if receiving the signal, the radio will be out of FM mode, after 5S, it will be back to FM mode when the signals disappear.

  • Page 52: Wire Clone

    ] to confirm. Repeat this operation, you can delete all memory channel, 25 in maximum. WIRE CLONE Prepare 2sets of AHT-9-UV, 1pcs specific wired cloning cable. Master radio (sending messages when in wired cloning) Deputy radio (receiving and storing messages when in wired cloning) Steps of wired clone The deputy radio normally power on.
  • Page 53 clone state. The “Clone” will be heard, LCD displays “CLONE” Press [MONI] key of the master radio to start wired clone. During cloning, the master radio displays "Sending" and deputy one displays "End". If cloning succeeds, the master radio returns to the clone preparation state, and it lights orange.

  • Page 54: Optional Signalings

    User's Manual OPTIONAL SIGNALINGS REMOTE KILL, STUN, ACTIVATE AND REVIVE Professional FM Transceiver...
  • Page 55 OPTIONAL SIGNALINGS Optional Signalings (Programmed by AHT-9-UV software) This transceiver supports four optional signalings (MSK, DTMF, 2-Tone, 5-Tone). Click in sequence “program•Optional Features•Optional Signal•Common Set”, the programming software also has three versions: simple version (Supporting MSK Signaling), DTMF version (Supporting MSK signaling and DTMF signaling) and 5T&2T version (Supporting MSK signaling and 2T/5T signaling).

  • Page 56: Dtmf Part

    DTMF Part Click in sequence “program•Optional Features•Optional Signal•DTMF” Step 1: Edit the Fast Call list via programming software, radio can store up to 10 groups (0-9) last calling list in total Step 2: Input the desired code into the corresponding list, 16 characters in maximum. Step 3: Choose the desired DTMF decoder from available values: “Code Squelch (Picture 1) and Selective Call (Picture 2)”...

  • Page 57: Msk Part

    Click “More” after frequency you edit, programming in the popup Step 6: Set the optional signal of the desired channel to be DTMF. Input the ID code and then save it after finishing it. Make DTMF call with the transceiver First method Power on, then select the channel with DTMF signal Press [...
  • Page 58 Step 3: Input corresponding ID code in the calling list. ID code should be corresponding to the one in the CallList, e.g.: if ID code is 1234, the corresponding callList is Group 1 (Picture 3) Picture 3 Step 4: Set the optional signal of the desired channel to be MSK. Click “More” after every frequency you edit, program it in the popup (Picture 4) Picture 4...

  • Page 59: 2-Tone Part

    Make MSK call with the transceiver Power on, then select the channel with MSK signal Press [ ] key, LCD displays “CALL/DTMF?”, then press [ ] – [ ] keys to make call with the desired call list message. If the corresponding call list has not been edited, it will sound “DU”.
  • Page 60 Picture 5 and Picture 6, Picture 5: 2tone as transmitting encoder Picture 6: 2tone as receiving decoder Group 0:2 tone Group 0:.2 tone decoder Group 1: single tone Group 1: single tone decoder As single tone calling, only input A Tone (e.g. A Tone is 1750 Hz), no need to input in another Tone.

  • Page 61: 5-Tone Part

    Make 2-tone call with the transceiver Power on, then select the channel with 2-Tone signal Press [ ] key, LCD displays “CALL/2T?”, then press [ ] key to transmit 2-Tone while press [ ] to transmit a single tone/Group call. If the corresponding call list has not been edited, it will sound “DU”.
  • Page 62 E.g. the self ID is CCIR2, 5tone is 2A358; the ID of other radio is 44044 (group number is 0). As following picture 9: Picture 9 Click “Save” after editing desired 5tone, and then write into the radio Click “More” after the channel needed editing to enter setting. Select 5tone in the Optional signal, and then select the List Num want to call, and click “ON”...
  • Page 63 This transceiver has 8 groups’ 5-Tone encoder and decoder to support the different channels, the operation of calling/transmitting 5-Tone are as follows: Select the channel with 5-tone signal. (LCD displays “5T” at the right bottom of radio) Press [ ], LCD displays “------” Input the 5-Tone ID of radio you want to call e.g.: input A-2-3-5-B in Group 2 in sequence, at this time the keys [...

  • Page 64: Remote Kill,Stun, Activate And Revive

    REMOTE KILL, STUN, ACTIVATE AND REVIVE If you want to use remote kill, stun, activate and revive, please program signalling for current channel as DTMF and 2/5tone. REMOTE KILL: If the radio received DTMF code programmed as remote kill, the radio will enter the remote kill status;...
  • Page 65 remote un-stun, the radio will quit the remote stun status and enter normal operation. Simple version don’t have this function DTMF version A. Click in sequence “program•Optional Features•Optional Signal•DTMF•Remote kill/stun code” to input your desired Remote kill/stun code B. In transmitting, input the Remote kill/stun code for the radio which you want to remote kill/stun.
  • Page 66 code, the radio will enter the remote stun status and you will hear a sound. And then press [PTT] and input DTMF code 12345678#, the radio will quit the remote stun status and enter normal operation. The operation of remote kill is the same to remote stun, but in this situation, radio cannot be revived by this way.
  • Page 67 revive it, press [ ] and input remote un-stun code 2345678, the radio will quit the remote stun status and enter normal operation. The operation of remote kill is the same to remote stun.

  • Page 68: Technical Parameters

    User's Manual TECHNICAL PARAMETERS GUARANTEE Professional FM Transceiver...
  • Page 69 TECHNICAL PARAMETERS General AHT-9-UV Frequency Range 144-146MHz 430-440MHz Frequency stability ±2.5PPm Channel No. 128x2 Antenna High gain antenna Antenna Impedance 50Ω Mode of operation Simple or semi-duplex Dimensions (WxHxD) 128 x 63 x 33mm...
  • Page 70 Transmitter Output power •4W(H) •0.5W(L) Modulation Mode 16k F3E / 11k F3E Maximum deviation <5KHz / <2.5KHz Adjacent Ch. power •65dB / •60dB Spurious Radiation <7µW Pre-emphasis characteristics Current •1.6A(5W) CTCSS/DCS deviation 0.5kHz±0.1kHz / 0.3kHz±0.1kHz Intermediation sensitivity 8-12mV Intermediation distortion <5% Receiver Audio power...

  • Page 71: Guarantee

    Guarantee Model Number: Serial Number: Purchasing Date: Dealer: Telephone: User's Name: Telephone: Address: Post Code: Remarks: This guarantee card to be kept by the user, no replenishment if lost. This guarantee card to be filled & chopped by the dealer, or it is invalid. Don't alter the guarantee card, please coufirm the serial number on the guarantee card is same as that on the machine.

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