1.\" $NetBSD: bellctrl.1,v 1.17 2019/09/01 14:26:28 sevan Exp $ 2.\" 3.\" Copyright (c) 1995 Takuya Harakawa. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" from: @(#)bellctrl.1 6.19 (Berkeley) 7/27/91 35.\" 36.Dd September 1, 2019 37.Dt BELLCTRL 1 x68k 38.Os 39.Sh NAME 40.Nm bellctrl 41.Nd opm bell emulation preference utility 42.Sh SYNOPSIS 43.Nm bellctrl 44.Op Fl b 45.Op Sy b Ar on/off 46.Op Sy b Op Ar volume Op Ar pitch Op Ar duration 47.Op Sy v Ar default 48.Op Fl v Ar voicefile 49.Sh DESCRIPTION 50.Nm 51is used to set various preference options of the opm bell. 52.Pp 53The options are as follows: 54.Bl -tag -width Op 55.It Fl b 56The b option controls bell volume, pitch and duration. 57This option accepts up to three numerical parameters, a preceding 58dash(-), or an 'on/off' flag. 59If no parameters are given, or the 'on' flag is used, the system defaults will 60be used. 61If the dash or 'off' are given, the bell will be turned off. 62If only one numerical parameter is given, the bell volume will be 63set to that value, as a percentage of its maximum. 64Likewise, the second numerical parameter specifies the bell pitch, 65in hertz, and the third numerical parameter specifies the duration 66in milliseconds. 67.It Sy v Ar default 68The 69.Ar default 70argument cause the voice parameter to be reset to the system default. 71.It Fl v Ar voicefile 72The 73.Fl v 74option sets the voice parameter to given voice parameter file ( 75.Ar voicefile ) . 76.El 77.Sh HISTORY 78A 79.Nm 80utility first appeared in 81.Nx 1.3 . 82.Sh AUTHORS 83.Nm 84was written by 85.An Takuya Harakawa Aq Mt ussy@int.titech.ac.jp . 86