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PANEL DESCRIPTION
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Programmable function keys (continued)
Ext. CH Sel Mode KEY
Push to turn the Ext. CH Select function ON or OFF.
When the function is turned ON, memory channels can be
selected with external input operation only.
When the function is turned OFF, memory channels can be
selected with [CH Up] or [CH Down] operation, or with exter-
nal input operation.
• This function is available when the external unit, such as a dimmer
control is connected to the transceiver with the optional OPC-1939
or OPC-2078 cable (p. 16).
• Ask your dealer for details of external input operation.
