AOR AR2700 User Manual

AR2700 operating manual1(1) Introduction & accessoriesThank you for purchasing the new AOR AR2700 wide band receiver.This operating manual is div

AR2700 operating manual105-1 Aerial (antenna) inputThe aerial input is via a high quality BNC 50 OHM socket. The standardsupplied telescopic whip sh

AR2700 operating manual11Note: Even when the squelch is fully CLOSED a low level backgroundnoise may still be audible. This is because the receiver’

AR2700 operating manual12and other operational data in conjunction with the left side panel [2ndF]function key and top panel [DIAL].If a key is not pr

AR2700 operating manual13When correctly activated and BEEP enabled, a high pitch bleep will confirmoperation.To switch the receiver Off simply press a

AR2700 operating manual14[SCAN] [BANK] - scan / memory recall / search bank preview keyWhen the [SCAN] key is pressed briefly, the receiver enters MEM

AR2700 operating manual15“HI” and “Lo”. Use the UP / DOWN keys or [DIAL] to select the desiredprogram search bank, pressing [ENT] or [CLR] will caus

AR2700 operating manual16For example 133.7 MHz [1] [3] [3] [MHz] [7] [ENT] there is no need to addtrailing zeros. Frequencies below 1 MHz may be pr

AR2700 operating manual17The key is also used to select menu options under certain circumstances.The key may be used to place the receiver in manual s

AR2700 operating manual18If the sequence [2ndF] [4] is keyed, the legend “PLAY” will be displayed on theLCD and a previous 20 second digital recording

AR2700 operating manual19In search, scan and memory modes this key is used to identify bank 7.If the sequence [2ndF] [7] is keyed while in memory reca

AR2700 operating manual2[PWR] power switch: The power switch is not of the traditional “click”operation but microprocessor controlled, this is to faci

AR2700 operating manual20[0] [LAMP] Numeric 0 / Lamp keyThis key acts as a numeric 0 when entering frequencies via the keypad.In search, scan and mem

AR2700 operating manual21Should you prefer, it is possible to switch “musical notes” to most of thekeypad keys when the keylock is On. This may be ac

AR2700 operating manual22[CLR] - Clear entry keyThis key will cause data entry to be cancelled should a mistake beaccidentally typed and forces an esc

AR2700 operating manual23When the function keyis operated, a legend“2ndF” appears in theupper left of the LCD.The function key shouldbe momentarilypre

AR2700 operating manual24utensil such as a pin, small screwdriver, sharp pencil etc. It does not matterwhether the receiver is switched On or Off at

AR2700 operating manual255-14 RS232C REMOTE connectorThis is a very small connector located in thebattery housing, the batteries need to beremoved to

AR2700 operating manual26to external supply. However, always switch the receiver Off whenchanging batteries or connecting / disconnecting external po

AR2700 operating manual27It is best to press the [MANU] key at thistime to place the receiver in a known stateof operation... MANUAL MODE.Note: If the

AR2700 operating manual28Remember, the frequency coverage is 500 kHz to 1300 MHz with frequenciesaccepted by the microprocessor from 0.1 MHz (100 kHz)

AR2700 operating manual296-5 Changing frequency using the [UP] [DOWN] keys and [DIAL]The UP / DOWN keys provide a convenient method of frequency chan

AR2700 operating manual35-12 [RESET] microprocessor reset switch ... 23RIGHT HAND SIDE ...

AR2700 operating manual30bandplan conventions. The AR2700 has been pre-programmed at the factorywith all the bandplan data (specific to each market a

AR2700 operating manual31ignored. This is useful for tuning through bands with unusual modes andchannel steps.To reinstate PROGRAM step size, the rec

AR2700 operating manual32VHF Civil airband, UHF Military airband and some PMR (Private Mobile Radio)and utility services.FM (NFM)Narrow Band Frequency

AR2700 operating manual33legend “ATT” is extinguished when the attenuator is Off.The selection of attenuator may also be programmed into memory channe

AR2700 operating manual34Start by selecting MANUAL mode (the [MANU] key) then key in the frequencyof 88.3 MHz, “mode and step size” are set to the def

AR2700 operating manual35If you had previously written memorydata to location “315”, then themicroprocessor will automaticallyincrement to location “3

AR2700 operating manual36This is a useful tool for reviewing memory contents and hunting for a specificchannel when you forget where you stored it! S

AR2700 operating manual37“BANK” and “CH” will flash to indicate that memory input is in progress.Press [0] [0] [0] to select the memory location you w

AR2700 operating manual38key for more than 1.5 seconds and at the same time holding the [7] key.Release both keys and the display will remain blank fo

AR2700 operating manual39For example, to set the frequency 145.500 MHz as the priority channel:First ensure that the receiver is in manualmode by chec

AR2700 operating manual413-3 Record - Play back ... 5614 Remote control using a computer (RS232) ...

AR2700 operating manual40(9) SCAN - scanning memory channels & banksThe AR2700 has a SCAN mode whereby the contents stored in the MEMORYCHANNELS

AR2700 operating manual41process. Alternatively, the UP /DOWN key may take the place of thesecond [SCAN] key press.SecondlyFrom “MEMORY RECALL” mode:

AR2700 operating manual42away from the channel or listen to it indefinitely until you decide otherwise.To force the receiver to pause on a memory chan

AR2700 operating manual43The left of the “oF / on” legend and lower row of the LCD provide places for allten scan banks. To add more banks to the ban

AR2700 operating manual44Press [SCAN] to place the receiver into memory recall mode. The legend“BANK” and “CH” appears toward the top left of the LCD

AR2700 operating manual45passed back-and-fore between a control tower / aircraft which may take a fewseconds. If you are scanning duplex channels the

AR2700 operating manual46(11) SEARCH - manual & program search banks and PASSThe AR2700 has a SEARCH mode whereby an upper and lower frequencylim

AR2700 operating manual47The search process takes place from thedisplayed frequency using the receivemode and step size displayed.If the default mode

AR2700 operating manual48Alternatively you may choose a new memory location using the UP / DOWNkeys, [DIAL] or by keying in a three digit memory locat

AR2700 operating manual4911-3 Program search banksIt is possible to save parameters of frequency, mode, step and attenuator intoany of the 10 program

AR2700 operating manual5Memories and search banksA total of 500 memory channels are provided which are divided into 10 banks,each having 50 channels.

AR2700 operating manual50To cancel program searchTo cancel program search press [MANU] and the display will return to theoriginal VFO frequency in MAN

AR2700 operating manual51The flashing legend “BANK” appears in thetop left corner of the LCD with the currentbank number shown directly underneath.The

AR2700 operating manual52been selected. If no frequency data is currently stored the legend “- - -” will bedisplayed.Use the UP / DOWN keys or [DIAL]

AR2700 operating manual53Setting the LOWER frequency limitThe legends at this time are a steady“PROG” and flashing “SEARCH”. To theleft of the freque

AR2700 operating manual54To LINK ALL search banks the “SEARCHLINK” menu is used. To access the menuuse the key sequence [2ndF] [SRCH] withthe [SRCH]

AR2700 operating manual5512-1 Enabling SLEEP timeIf the sequence [2ndF] [5] is keyed, thesleep timer is enabled. A clock legend willbe displayed on

AR2700 operating manual56selected. The selection of RECORD On and Off is made using the [DIAL] withlegends “oFF” and “on” confirming selection. To a

AR2700 operating manual5714-1 Setting the RS232 parametersThe RS232 parameters may be altered using the SERIAL menu. This menu isaccessed with the s

AR2700 operating manual58The flashing legend “SERIAL” appears onthe LCD with a larger display of “COPYSEnd”. The UP / DOWN keys or [DIAL]may be used

AR2700 operating manual59powering up the receiver. Your memory bank and search bank data willremain intact but any linked banks, frequency pass data

AR2700 operating manual6(4) Precautions4-1 LocationDo not use or leave the receiver in direct sunlight (especially the LCD). It isbest to avoid loc

AR2700 operating manual60The receiver stops on blank carriersThe receiver may stop on blank carriers. It may be that these are truetransmissions (you

AR2700 operating manual6116-4 Special functionsThe AR2700 has a number of “special functions”, it is highly recommendedthat these are left where set

AR2700 operating manual62(17) Optional accessoriesRU2700An optional VOICE RECORDING chip is available. When internally fitted, it ispossible to reco

AR2700 operating manual63(18) SpecificationFrequency coverage: 500 kHz - 1300 MHz no gaps(input accepted from 100 kHz)Receive modes: NFM, WFM, AMSens

AR2700 operating manual64Notes

AR2700 operating manual7plug and water pipe, central heating system radiator or external earth rod. Iffitting a separate external earth rod, consider

AR2700 operating manual8Important!Do not overcharge the NiCad pack, 16 hours issufficient from flat. In severe cases of overcharginghigh temperatures

AR2700 operating manual9Shortwave long wire aerialsFor the shortwave bands a different type of aerial will be required. The mostcommon form is the ra