Dsc Operation - Icom iC-M91D Instruction Manual

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 Settings
MENU
(Push [MENU]) (Push [Y]/[Z], then push [ENTER].)
w Push [ENTER] 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
D Channel 70 Watch function
Select whether or not the transceiver monitors Channel 70.
q Enter "CH 70 Watch" in the DSC Settings menu.
➪ DSC Settings
MENU
(Push [MENU]) (Push [Y]/[Z], then push [ENTER].)
w Push [p] or [q] to set the Channel 70 Watch function to
"Busy" or "Standby," then push [ENTER].
• Push [BACK] to cancel and return to the DSC Settings menu.
Standby : While receiving no signal, the transceiver moni-
tors Channel 70 according to the Scan Speed
time cycle.
Busy : While receiving no signal on the operating chan-
nel, the transceiver monitors Channel 70 ac-
cording to the Scan Speed time cycle.
While receiving a signal on the operating chan-
nel, the transceiver monitors Channel 70 every
1.5 seconds.
Push [EXIT] to return to the normal operating mode.
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DSC OPERATION

➪ CH 70 Watch
(default)
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