From 03ebf857a9d28ab4a30a2c484c5b405c8e79a410 Mon Sep 17 00:00:00 2001
From: Mike Black W9MDB <mdblack98@yahoo.com>
Date: Mon, 30 Aug 2021 15:19:16 -0500
Subject: [PATCH] Update rotctl.1 man page

---
 doc/man1/rotctl.1 | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/doc/man1/rotctl.1 b/doc/man1/rotctl.1
index e783e5e5f..a85d8e1a1 100644
--- a/doc/man1/rotctl.1
+++ b/doc/man1/rotctl.1
@@ -19,6 +19,7 @@ rotctl \- control antenna rotators
 .OP \-hiIlLuV
 .OP \-m id
 .OP \-r device
+.OP \-R device2
 .OP \-s baud
 .OP \-t char
 .OP \-C parm=val
@@ -87,6 +88,20 @@ etc. on MS Windows.  The BSD flavors and Mac OS/X have their own designations.
 See your system's documentation.
 .
 .TP
+.BR \-R ", " \-\-rot\-file2 = \fIdevice\fP
+Use
+.I device
+as the file name of the port connected to the 2nd rotator.
+e.g. 2nd rotator used for elevation.
+.IP
+Often a serial port, but could be a USB to serial adapter.  Typically
+.IR /dev/ttyS0 ", " /dev/ttyS1 ", " /dev/ttyUSB0 ,
+etc. on Linux,
+.IR COM1 ", " COM2 ,
+etc. on MS Windows.  The BSD flavors and Mac OS/X have their own designations.
+See your system's documentation.
+.
+.TP
 .BR \-s ", " \-\-serial\-speed = \fIbaud\fP
 Set serial speed to
 .I baud