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Midland ALAN 507 Manual

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USO DELL’APPARATO
1. Inserire 3 batterie alcaline tipo AA o al Ni-Cd (queste ultime devono essere
completamente caricate prima dell’uso) all’interno del vano batterie, facendo
attenzione alla polarità.
N.B.: le batterie alcaline non sono ricaricabili. Non collegare il caricatore quando
si utilizzano le batterie alcaline.
2. Per accendere il ricetrasmettitore ruotare la manopola “OFF/VOLUME” in senso
orario e regolare il volume ad un livello desiderato. Ora si possono ricevere e
trasmettere comunicazioni.
Durante la trasmissione, il LED “TX/BATT” si illumina.
3. Premere e tenere premuto il tasto PTT situato sopra il tasto “MON”. Parlare ad una
distanza di circa 4/10 cm, con un normale tono di voce.
Per ricevere, semplicemente rilasciare il tasto PTT.
AVVERTENZE SULL’USO DI BATTERIE RICARICABILI AL NI-CD
• Prima di ricaricare le batterie, lasciare che si scarichino completamente. Quando le
batterie sono completamente scariche, il LED “TX/ BATT” si illumina.
• Caricare completamente le batterie prima di utilizzarle.
• I cicli di carica parziali possono ridurre col tempo la capacità effettiva del pacco
batterie.
• Si consiglia di conservare le batterie completamente scariche piuttosto che cariche.
• Non utilizzare contemporaneamente batterie ricaricabili di diversa capacità.
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ITALIANO
CARATTERISTICHE TECHNICHE
GENERALI
N. canali ............................................................................................................................... 69
Passo di canalizzazione ............................................................................................... 25 KHz
Gamma di frequenza .......................................................................... 433.075- 434.775 MHz
Durata batterie ..................................................................................................... 45 ore circa
Batterie.............................................................................................. 3 alcaline 1.5V tipo AA
...................................................................................................................... o 1.2 V al Ni-CD
Temperatura ...................................................................................................... -10
°
C - +55
°
C
Controllo della frequenza ............................................................................. PLL sintetizzato
Stabilità della frequenza..........................................................................................
±
2.5 PPM
Peso ............................................................................................................................. 100 gr.
Dimensioni ................................................................................................. 50 x 100 x 30 mm
RICEVITORE
Sensibilità 12dB SINAD ............................................................................ migliore di 0.35
µ
V
Gamma squelch .................................................................................................... automatica
Potenza d’uscita audio ....................................................................................0.3Watts (max)
Risposta in frequenza ...................................................................................... 300 - 3000 Hz
Frequenza intermedie .................................................................................1’ST IF : 21.4MHz
................................................................................................................. 2’ND IF : 0.455MHz
TRASMETTITORE
Gamma di frequenza .......................................................................... 433.075- 434.775 MHz
Potenza d’uscita ............................................................................................................ 10mW
Tipo di modulazione ............................................................................................................FM
Deviazione ....................................................................................................
±
4.5 KHz (max)
Emissioni spurie ........................................................................................... meno di 250 nW
Tolleranza di frequenza ....................................................................
±
2.5PPM (-10
°
C-+55
°
C)
Corrente assorbita ........................................................................................ meno di 100mA
Presa per microfono esterno ........................................................................... jack stereo 3,5
Le specifiche sono soggette a modifiche senza preavviso.
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