Icom M506 31 Instruction Manual page 80

7
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.
➪ DSC SET
MENU
(Push [MENU]) (Select icon)
w Rotate dial to adjust the squelch level until the noise just
disappears, then push [ENT].
• Push [BACK] to cancel and return to the DSC Settings menu.
Push [EXIT] to return to the normal operating mode.
e
71
➪ CH 70 SQL Level
(Rotate dial, then push [ENT].)
(default)
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.
DSC SET
➪
MENU
(Push [MENU]) (Select icon)
w Push [ENT] to start the DSC loop test.
• Push [BACK] to cancel and return to the DSC Settings menu.
• When the transmit DSC and receive DSC signals are matched,
"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.
DSC Loop Test
➪
(Rotate dial, then push [ENT].)