AOR AR-2700 Wideband Reciever Operating Manual

AR2700 operating manual
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Note:  Even when the squelch is fully CLOSED a low level background
noise may still be audible.  This is because the receiver’s audio amplifier
circuit is permanently operational in order to provide fast search/scan rates and
an efficient squelch opening characteristic.  This phenomenon is common with
other hand-held receivers on the market today.
5-5  VOL - volume control
The volume control is located on the top face of the cabinet.  This
control is used to set the required...

AR2700 operating manual
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and other operational data in conjunction with the left side panel [2ndF]
function key and top panel [DIAL].
If a key is not pressed within about 30 seconds during data entry, the entry will
be aborted and the receiver will return to the previous display.
Attractive green rear illumination of the front keypad and LCD is switchable for
use in locations of low level lighting.
The basic operational description of each key is as follows:
[PWR] - power On/Off key
When the [PWR] key...

AR2700 operating manual
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When correctly activated and BEEP enabled, a high pitch bleep will confirm
operation.
To switch the receiver Off simply press and hold the key again for more than
1.5 seconds.  If the BEEP is enabled and you press the key for too short a
period, a low pitch beep advises of the error.
The [PWR] switch is not of a common volume control combined arrangement
as a SLEEP timer can also switch the receiver Off when programmed and
activated.  Resetting the microprocessor from the...

AR2700 operating manual
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[SCAN] [BANK] - scan / memory recall / search bank preview key
When the [SCAN] key is pressed briefly, the receiver enters MEMORY
RECALL mode, the display legend “BANK” appears on the top left of
LCD along with bank and channel number.  The receiver monitors whatever
frequency is displayed on the LCD.  The numeric keypad may be used to recall
a specific memory channel between 000 - 049, 100 - 149, 200 - 249 etc up to
949.  Alternatively the  UP / DOWN keys may be used to...

AR2700 operating manual
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“HI” and “Lo”.  Use the UP / DOWN keys or [DIAL] to select the desired
program search bank, pressing  [ENT] or [CLR] will cause the receiver to
search the selected program search bank.
Scan mode
If the sequence [2ndF] [BANK] is keyed in scan mode, the legends “BANK”
and “CH” are displayed in the top left corner of the LCD.  The receiver will
pause on the currently displayed channel for about 30 seconds before
resuming the scan process again.  The UP / DOWN keys, [ENT] key or...

AR2700 operating manual
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For example 133.7 MHz  [1] [3] [3] [MHz] [7] [ENT]  there is no need to add
trailing zeros.  Frequencies below 1 MHz may be preceded by [0] [MHz]
frequency  then [ENT].
The [UP] key may be used to force the receiver to continue search / scan from
a busy channel and to reverse the direction of search / scan should the
receiver be tracking downward.  The key will also act as an upward tuning
control just like DIAL.
The key is also used to select menu options under certain...

AR2700 operating manual
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The key is also used to select menu options under certain circumstances.
The key may be used to place the receiver in manual search mode by pressing
and holding the [DOWN] key for more than 1.5 seconds while in manual mode.
The sequence [2ndF] [DOWN] places the receiver into “SS” descramble mode,
refer to the information supplied with the optional printed circuit board, not
available within the UK.
The sequence [2ndF] [DOWN] with the DOWN key being held for more
than 1.5...

AR2700 operating manual
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If the sequence [2ndF] [4] is keyed, the legend “PLAY” will be displayed on the
LCD and a previous 20 second digital recording may be replayed (presuming
that the optional record chip has been fitted).  If the optional chip has not been
fitted then white noise will be heard.
The signal meter acts as a “progress meter” to illustrate how much record and
play back time has elapsed.
If the sequence [2ndF] [4] is keyed with the [4] key held for more than 1.5
seconds, the legend...

AR2700 operating manual
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In search, scan and memory modes this key is used to identify bank 7.
If the sequence [2ndF] [7] is keyed while in memory recall mode or when
stopped on a channel during scan, the displayed frequency will be deleted
from the memory bank and the set will move on to the next memory channel
containing data (upward or downward depending upon how
programmed).
Memory channels are usually deleted one at a time.  It is possible however to
delete a selected bank or all banks, this will...

AR2700 operating manual
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[0] [LAMP]  Numeric 0 / Lamp key
This key acts as a numeric 0 when entering frequencies via the keypad.
In search, scan and memory modes this key is used to identify bank 0.
If the sequence [2ndF] [0] is keyed, the LAMP will be switched on for a period
of about five seconds.  If you are using the keypad, the five second timer starts
from the last key press so that you are not inconvenienced in areas of low level
lighting by the lamp switching Off while you are keying in data....