ICOM 357000 Benutzerhandbuch

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DSC OPERATION
D Channel 70 Squelch level
Set the squelch level on Channel 70.
The transceiver has 11 squelch levels between 1 (loose 
squelch) and 10 (tight squelch) and OPEN.
OPEN is completely open.
q   Enter “CH 70 SQL Level” in the DSC Settings menu.
 
   
eMENUf    
    
eDSC SETf    
    
eCH 70 SQL Levelf
(Push [MENU])    (Select icon)      (Rotate Dial, then push [ENT].)
w  Rotate Dial to adjust the squelch level until the noise just 
disappears, then push [ENT].
s
(default)
 Push [EXIT] to return to the normal operating mode.
 
e
D DSC Loop Test
The DSC loop test function sends transmit DSC signals to 
the receive AF circuit to compare and check the TX and RX 
signals at the AF level.
q   Enter “DSC LOOP TEST” in the DSC Settings menu.
 
   
eMENUf
    
eDSC SETf    
    
eDSC Loop Testf
(Push [MENU])    (Select icon)      (Rotate Dial, then push [ENT].)
w  Push [ENT] to start the DSC loop test.
s
s
“OK” appears.
 Push [EXIT] to return to the normal operating mode.
 
e
If “NG” appears in step 
w, either or both TX and RX DSC 
circuits has a problem. In that case, you will have to send 
the transceiver to your nearest dealer for repair.