73
1. Press the [
FUNC
] key, and then press the [
0
] key.
2. Press the [
DOWN
] key six times to select “IF-SFT” in reverse contrast.
3. Rotate the sub dial to select the shift frequency from the range of -1200 Hz ~ +1200 Hz, in 50 Hz steps.
4. Press the [
MHz
] key to accept the entry and return to a standard display.
Alternatively, press the [
CLR
] key to abort entry, or press the [
DOWN
] key to move to the next item
on the configuration menu.
10-8 AFC (AUTOMATIC FREQUENCY CONTROL)
To activate the function, perform the following steps:
1. Press the [
FUNC
] key, and then press the [
0
] key.
2. Press the [
DOWN
] key several times to select
“AFC” in reverse contrast.
3. Rotate the sub dial to select on/off.
4. Press the [
MHz
] key to accept the entry and return
to a standard display.
10-9 CTCSS (CONTINUOUS TONE CONTROLLED SQUELCH SYSTEM
)
CTCSS function will enable the AR6000 to selectively receive only specifically modulated sub-audible
tones or to verify the CTCSS frequency used.
Note: This function operates only in the NFM mode with a frequency of 25 MHz or higher.
To activate the function, perform the following steps:
1. Press the [
FUNC
] key, and then press the [
0
] key.
2. Press the [
DOWN
] key several times to select “CTCSS” in reverse contrast.
*
AFC does only work in NFM mode with a filter setting up to 30kHz.
*
It does not automatically retune the receiver to the nearest strong signal.
Example: If there is a signal at 150MHz, but the user tunes the receiver to
149.5MHz, the AFC function will NOT retune the receiver to 150MHz!
*
Real function of AFC: It tunes the IF filter's frequency automatically when
an unstable frequency is received. It does not change the receive frequency.
Since only IF is changed, there is no "visual" change on the control
program's spectrum or frequency display. The change can only be heard on
"audio".
*
It only works if the sending station's frequency shifts are within the selected
IF filter's bandwidth.
For example: IF=15kHz >> +/-7kHz, IF=30kHz >> +/-15kHz
Содержание AR6000
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