Yaesu VR-5000 handleiding
Handleiding
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VR-5000 OPERATING MANUAL 47
ATT
(
RF ATTENUATOR
)
For situations where extremely high signal levels are present, the receiver’s input ATTenuator
may be activated, to reduce the sensitivity and total gain of the receiver system.
1. To activate the Attenuator, press the
[
F
]
key momentarily, then press the
[
1
(
ATT
)]
key.
The “ATT” icon will appear on the display. You should also hear a decrease in the
incoming signal strength (and background noise) with the Attenuator engaged.
2. To switch the Attenuator off, press the
[
F
]
key momentarily, then press the
[
1
(
ATT
)]
key; the “ATT” icon will disappear from the display.
NB
(
NOISE BLANKER
)
For reduction of impulse noise, such as that produced by automotive ignition systems, the
noise blanker feature may prove helpful. The Noise Blanker is available in the SSB, CW,
AM and FM-N modes.
1. To activate the Noise Blanker, press the
[
F
]
key momentarily, then press the
[
0
(
NB
)]
key. The “
NBNB
NBNB
NB” icon will appear on the display. You should observe a reduction in the
ignition noise.
2. To switch the Noise Blanker off, press the
[
F
]
key momentarily, then press the
[
0
(
NB
)]
key; the “
NBNB
NBNB
NB” icon will disappear from the display.
RF TUNE
This feature allows you to shift the RF passband to maximize the receiver’s sensitivity and
reduce interference from out-of-band stations.
1. Press the
[
F
]
key momentarily, then press the
[
8
(
RF TUNE
)]
key to activate the RF
TUNE feature.
2. Rotate the DIAL knob to the position where the desired signal strength is maximized,
or where the interference is eliminated, the press the
[
ENT
(
SET
)]
key
3. To disable the RF TUNE feature, again press the
[
F
]
key momentarily, then press the
[
8
(
RF TUNE
)]
key.
KEYPAD BEEPER
If the keypad’s beeper creates an inconvenience (particularly when operating late at night!),
it may easily be disabled.
1. To disable the keypad beeper, press the
[
F
]
key momentarily, then press the
[
•
(
BEEP
)]
key.
2. If you wish to re-enable the keypad beeper, press the
[
F
]
key momentarily, then press
the
[
•
(
BEEP
)]
key.
Miscellaneous Features
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Productinformatie
| Merk | Yaesu |
| Model | VR-5000 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 8268 MB |
