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Channel Selection

The transceiver is capable of operation on 240 channels which are divided into 6
groups of 40 channels - A,B,C,D,E and F. These groups are selected with the Band
Selector switch as the following.

Band switch

Position

Frequency Range

A

26.065 to 26.505

MHz

B

26.515 to 26.955

MHz

C

26.965 to

27.405 MHz

D

27.415 to

27.855 MHz

E

27.865 to

28.305 MHz

F

28.315 to

28.755 MHz

After the band to which the channel you desire to operate belongs is selected, rotate
the channel selector to find the channel. Rotating the channel selector clock-wise or
counterclockwise by 1 detent will tune the transceiver 10 kHz upscale or downscale.
C If you desire to operate on 27.405 MHz first set the Band selector switch to `c`,
then turn the channel selector to the position at which the channel readout shows

40 .

Operation

(1) Turn the Volume control clockwise to apply power to the transceiver. The LED
display should be illuminated.
(2) Rotate the Squelch control counterclockwise fully.
(3) Select the mode of reception AM, FM.
(4) Set the RF Gain control maximum position.
(5) Select the channel desired.
(6) To transmit, depress the transmit switch on microphone, to receive, release
the switch.

RF Gain Control Ajustment

Normally, this control should be set to Max. Position to provide maximum receiver
sensitivity for long range reception. However, When communicating with a nearby
station, you may find that the strong signal from this station may cause overloading
of your receiver. In such a case. You can sue this control to reduce the receiver Sen-
sitivity and thus prevent any overloading and distortion that may occur as a result of
the extremely strong incoming signals. First set the switch to center and if this posi-
tion will not provide a sufficient reduction of overloading condition, set to minimum
Position.

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Содержание ARGO 300

Страница 1: ...Operation Manual ARGO 300 240 Channel Mobile AM FM Transceiver...

Страница 2: ...ch will provide greater operating convenience and assure optimum communications under a wide range of conditions Operable on 240 channels divided into six groups of 40 channels Full noise reduction fe...

Страница 3: ...ce 50 Ohm Power supply source 13 8 Volt DC Only negative ground Operating temperature 10 50 Dimensions 160 W X 55 H X 210 D mm Weight 1 100 g Receiver Sensitivity AM 1 uV S N 10dB FM 1 uV S N 20dB Sel...

Страница 4: ...t Indicators 18 Coaxial Acrial Socket 4 Band Selector 5 On Off Volume Control 6 Receive Indicator 7 Squelch Control 8 Transmit Indicator 9 RF Gain Control 10 AM Indicator 11 FM Indicator 12 F power sw...

Страница 5: ...output is registered by the LED indicators Selects a group of 40 channels in six positions A B C D E or F 240 in all Varies the sound output form the speaker Also incorporates an on off switch at the...

Страница 6: ...ay properly onto the jack 13 8 V DC power for the transceiver supplied through this socket using DC power cable supplied Used to connect an external speaker 8 Ohm 4 W as an extra sound source Insertio...

Страница 7: ...the bracket to the dash with the machine screws provided Extreme caution should be exercised when drilling into dash to avoid damage to underdash electronic ignition cruise control instrument and or a...

Страница 8: ...e on which the antenna is mounted Provides case in antenna mounting Rear deck mount The radiation pattern is strongest in the direction of the front bumper opposite the side on which the antenna is mo...

Страница 9: ...h 1 8 to 1 using an SWR standing wave ratio meter This meter is purchased separately or the SWR can be checked professionally Most antennas are factory tuned but this adjustment may improve antenna ef...

Страница 10: ...hows 40 Operation 1 Turn the Volume control clockwise to apply power to the transceiver The LED display should be illuminated 2 Rotate the Squelch control counterclockwise fully 3 Select the mode of r...

Страница 11: ...255 24 27 235 25 27 245 26 27 265 27 27 275 28 27 285 29 27 295 30 27 305 31 27 315 32 27 325 33 27 335 34 27 345 35 27 355 36 27 365 37 27 475 38 27 385 39 27 395 40 27 405 1 27 415 2 27 425 3 27 43...

Страница 12: ......

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