AOR AR8200 Spezifikationen PDF herunterladen (Seite 38)

For example, use the main dial until the LCD displays “OFFSET 01”, the bottom line of LCD will display

“- - - . - - - -“ indicating that no offset has been previously stored. If data is stored, the offset value will be

displayed on the bottom line of the LCD and may be overridden.

Key in the desired offset in MHz format, the ð key may be used as a backspace should an error be

made. i.e. for an offset of +1.600 MHz (don’t

push enter!) the key to toggle the frequency offset direction between “+” and “-“ until

the LCD shown “+” for positive offset. You may use the ñ key to accept the frequency but stay in the

menu (in case you haven’t yet decided on the direction of offset), to accept the data

input.

The LCD will revert to its operation prior to the frequency offset menu being called. The LCD legend

“DUP” will be displayed to indicate that frequency offset has been activated.

To use the frequency offset , the LCD frequency of 433.000 MHz will alter to take account of the

offset value and direction and the squelch will be defeated, the duplex frequency of 434.600 MHz (which

is 1.600 MHz above the original frequency) will be displayed. When you release the key, the

AR8200 will revert to the original frequency of 433.000 MHz (and squelch will close if no signal is

present). You can access the frequency offset menu simply to change the direction of offset from “+” to

“-“ or vice-versa.

3-11 Attenuator

The attenuator adds 10dB of signal reduction to the RF input stages of the AR8200 to reduce the

possible effects of strong signal overloading due to connection to an external aerial or when the receiver

is used in close proximity to strong transmissions.

The AR8200 has two settings for ATT (attenuator), on and off.

When the attenuator is ON, the legend “ATT” appears on upper left

of the LCD.

To toggle the attenuator on/off ,

the legend “ATT” confirms selection and incoming signals will be

reduced in strength. To toggle on/off again just repeat the

sequence , the legend “ATT” is

extinguished when the attenuator is OFF.

The selection of attenuator is held separately in each VFO, each memory channel and may also be

toggled

during

search (in scan mode, the scanning process must be stopped in order to see which

memory channel you are applying the attenuator to!).

3-12 Noise limiter

The noise limiter can help to reduce the effects of noise spikes and pulses while listening in AM and SSB

modes (WAM, AM, NAM, USB, LSB, CW). The noise limiter may be toggled on/off in all receive modes

but will only be operational in the AM and SSB modes, it will have no effect on WFM, NFM or SFM.

Section 3-10-2, 3-11, 3-12

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AOR AR8200 Spezifikationen Seite 38