Icom IC-M506 Instruction Manual - Page 80

Channel 70 Squelch level, DSC Loop Test, Enter CH 70 SQL Level

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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 E nter "CH 70 SQL Level" in the DSC Settings menu. MENU ➪ DSC SET ➪ CH 70 SQL Level (Push [MENU]) (Select icon) (Rotate dial, then push [ENT].) w R otate 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. 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 E nter "DSC LOOP TEST" in the DSC Settings menu. MENU DSC SET ➪ DSC Loop Test (Push [MENU]) (Select icon) (Rotate dial, then push [ENT].) w P ush [ENT] to start the DSC loop test. • Push [BACK] to cancel and return to the DSC Settings menu. (default) eePush [EXIT] to return to the normal operating mode. • W hen the transmit DSC and receive DSC signals are matched, "OK" appears. eePush [EXIT] to return to the normal operating mode. 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. 71

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71
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
.
MENU
➪
DSC SET
➪
CH 70 SQL Level
(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].
• Push [BACK] to cancel and return to the DSC Settings menu.
(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
.
MENU
➪
DSC SET
➪
DSC Loop Test
(Push [MENU])
(Select icon)
(Rotate dial, then push [ENT].)
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.