Icom IC-9100 Instruction Manual page 179

9.
Set the lower cut-off frequency of the transmission
passband width for your mid setting to 100, 200, 300
or 500 Hz.
10.
Set the higher cut-off frequency of the transmission
passband width for your mid setting to 2500, 2700,
2800 or 2900 Hz.
11.
Set the lower cut-off frequency of the transmission
passband width for your narrow setting to 100, 200,
300 or 500 Hz.
12.
Set the higher cut-off frequency of the transmission
passband width for your narrow setting to 2500, 2700,
2800 or 2900 Hz.
The optional UT-121 is required for DV mode operation.
14
SET MODE
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