6-5
RLC-4 V1.79 Copyright © 1998 Link Communications Inc. 9/18/98
Note about Courtesy Beeps
The RLC-4 courtesy beeps are not simply a programmable beep. When it is time to send a courtesy
beep, the RLC-4 decides which ports should receive the courtesy beep, sets the audio routing
variable to those ports (see Appendix A), and calls that port's courtesy beep macro (see Chapter 8).
This makes it possible for you to make your courtesy beep do a lot more than just beep. If you call
command 040, it will beep. If you call 040 more than once in the courtesy beep macro, it will beep
more than once (examples below). If you call 030, it will send CW. If you call 031, it will send
DTMF. If you really want to, you could do several of the above.
Since most people want a sequence of beeps for their courtesy beep, we will provide some
examples. Note that to get a single-beep courtesy beep, you just call 040 once from the courtesy
beep macro. To get a three tone sequence, you call 040 three times within that macro. Below are
some widely used courtesy beep sequences.
Examples:
All tone frequencies are in hertz. All times are in milliseconds.
Sequence Name Tone 1 Length Pause
1 - Bumble Bee 0330 100mS 0mS
.... 0500 100mS 0mS
.... 0660 100mS 0mS
2 - Yellow Jacket 0330 50mS 0mS
.... 0500 50mS 0mS
.... 0660 50mS 0mS
3 - Shooting Star 0800 100mS 0mS
.... 0800 100mS 0mS
.... 0540 100mS 0mS
4 - Comet 0500 100mS 0mS
.... 0500 100mS 0mS
.... 0750 100mS 0mS
5 - Stardust 0750 120mS 0mS
.... 0880 80mS 0mS
.... 1200 80mS 0mS
8 - Low-High Beep 0500 100mS 0mS
.... 0665 100mS 0mS
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