From f26d750fbf4012a0192f2be56a0aa60e6c77dbbf Mon Sep 17 00:00:00 2001
From: Laurens Valk <laurens@pybricks.com>
Date: Fri, 10 Jul 2020 11:46:04 +0200
Subject: [PATCH] doc/ev3devices/InfraredSensor: document mode delay

---
 doc/api/ev3devices.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/api/ev3devices.rst b/doc/api/ev3devices.rst
index f277586..7d90fee 100644
--- a/doc/api/ev3devices.rst
+++ b/doc/api/ev3devices.rst
@@ -74,6 +74,10 @@ Color Sensor
 Infrared Sensor and Beacon
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+Each method of this class puts the sensor in a different *mode*. Switching
+modes takes about one second on this sensor. To make sure that your program
+runs quickly, use only of these methods in your program.
+
 .. figure:: ../api/images/sensor_ev3_ir.png
    :width: 60 %