Icom IC-78 Instruction Manual page 35

5
SET MODE
Initial set mode items
— (continued)
• OPTION Filter
When an optional IF filer is installed, this selection is necessary, otherwise the
filters cannot be selected. Selections available are FL-96, FL-222, FL-52A, FL-
53A, FL-257 and none (default). See p. 21 for usable filters for each mode and
see p. 38 for filter installation.
• Expand Filter
When an optional IF filter is installed, this selection expands filter and filter se-
lection (W/N) key combination in operating mode independently.
The default is oF (off).
• Filter select (Wide)
When an optional IF filter is installed, you can arrange the wide filter selection.
(p. 22)
This item appears only when the Expand Filter, as above, is turned ON.
• Filter select (Narrow)
When an optional IF filter is installed, you can arrange the narrow filter selection.
(p. 22)
This item appears only when the Expand Filter, as above, is turned ON.
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