NEC G355 - Setting the Mandown Delay

Telephone settings
190
automatically answered call will be set in the loudspeaking mode
immediately.
To set the Auto answer mode, perform the following steps:
4. Highlight the Auto answer option.
5. Press the Select soft key.
4. Highlight the required value for the option.
5. Press the Select soft key.
6. Press the Clr key one or more times to return
to the idle display.
Setting the Mandown Delay
The mandown Delay specifies the time that elapses between the time
that the mandown situation arises and the time the mandown call is set
up. Within this period the mandown call can be cancelled by pressing
the Reject soft key.
To set the Delay, perform the following steps:
4. Highlight the Delay option.