Icom IC-M91D - Page 76

69
8
DSC OPERATION
N
ew
2001
N
e
w
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 Settings❯ ➪ ❮DSC Loop Test❯
(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.
D Channel 70 Watch function
Select whether or not the transceiver monitors Channel 70.
q Enter “CH 70 Watch”
in the DSC Settings menu .
❮MENU❯ ➪ ❮DSC Settings❯ ➪ ❮CH 70 Watch❯
(Push [MENU]) (Push [Y]/[Z] , then push [ENTER].)
w Push [] or [] to set the Channel 70 Watch function to
“OFF with Power Save,” “OFF,” “Busy” or “Standby
,” then
push [ENTER].
• Push [BACK] to cancel and return to the DSC Settings menu.
(default)