User manual graphics bug patch and flashing section

Author: TaddyHC

…nual/assets/portentaHATcarrier_blink.gif …assets/portentaHATcarrier_helloWorld.gifcontent/hardware/04.pro/carriers/portenta-hat-carrier/tutorials/user-manual/assets/portentaHATcarrier_blink.gif renamed to content/hardware/04.pro/carriers/portenta-hat-carrier/tutorials/user-manual/assets/portentaHATcarrier_helloWorld.gif content/hardware/04.pro/carriers/portenta-hat-carrier/tutorials/user-manual/assets/portentaHATcarrier_blink.gif renamed to content/hardware/04.pro/carriers/portenta-hat-carrier/tutorials/user-manual/assets/portentaHATcarrier_helloWorld.gif

@@ -137,7 +137,7 @@ The Portenta Hat Carrier has the following characteristics:
 |   J10    | MIPI camera connector, exclusive for Portenta X8                |
 |   J11    | PWM male header connector to control fan speed                  |
 |   SW2    | DIP switch with two sliders: _ETH CENTER TAP_ and _BTSEL_       |
-|   PB1    | User Button / Flashing Mode                                     |
+|   PB1    | User Button                                                     |
 
 ### Pinout
 
@@ -522,7 +522,7 @@ void loop() {
 
 After successfully uploading the sketch, the user-configurable LED will start blinking. The following clip illustrates the expected LED blink pattern.
 
-![Portenta Hat Carrier Hello World Blink](assets/portentaHATcarrier_blink.gif)
+![Portenta Hat Carrier Hello World Blink](assets/portentaHATcarrier_helloWorld.gif)
 
 Please check out the following documentation to learn more about each board and maximize its potential when paired with the Portenta Hat Carrier:
 
@@ -1298,24 +1298,14 @@ By understanding the fundamentals of PWM and leveraging the capabilities of the
 
 Storage and boot-related options are provided to manage the device's data storage and control its operational sequences. Dive into this sub-section to understand the onboard storage options and boot initialization mechanisms.
 
-### Flash / User-Programmable Push Button
+### User-Programmable Push Button
 
-The Portenta Hat Carrier boasts a streamlined, user-centric design with its multifunctional flashing push button. This singular button serves a dual purpose:
+The Portenta Hat Carrier boasts a streamlined, user-centric design with its multifunctional push button. The button is designed for general user-programmable functions.
 
-- __General User-Programmable Function:__ A single press of the button can be customized according to the application's needs. Whether you need to start a specific event, switch between various states, or execute a particular action, this button is equipped for diverse implementations.
-
-- __Board Flashing Mode Activation:__ A long press and release of the same button will swiftly put the board into flashing mode.
+A single button press can be customized according to the application's needs. Whether you need to start a specific event, switch between various states, or execute a particular action, this button is equipped for diverse implementations.
 
 ![Portenta Hat Carrier Onboard Buttons](assets/portentaHATcarrier_pushButton.png)
 
-For those keen on employing the 'Flash' button's functionality, it is good to understand and follow the correct sequence. This ensures not only the desired outcome but also the integrity of the system:
-
-1. Begin flashing operations by doing a long press on the PB1 push button and then releasing it.
-
-2. Once your adjustments or updates are done and you want to exit the flashing mode, simply give a single press on the PB1 push button. This action will also restart the system, apply the changes made, and ensure a smooth operational flow.
-
-Following these steps helps you use the 'Flash' button correctly and allows developers to navigate intricate functionalities with relative ease.
-
 ### MicroSD Storage
 
 The available microSD card slot offers the advantage of expanded storage. This is especially beneficial for processing large volumes of log data, whether from sensors or the onboard computer registry.
@@ -1753,7 +1743,9 @@ For configurations when the Portenta Hat Carrier is combined with the Portenta X
 | **DIP Switch Designation** |          **Position: ON**         |          **Position: OFF**         |
 |:--------------------------:|:---------------------------------:|:----------------------------------:|
 | ETH CENTER TAP             |   Ethernet Disabled               |   Ethernet Enabled                 |
-| BTSEL                      |   Reserved for future applications|   Reserved for future applications |
+| BTSEL                      |   Programming Mode (ON)           |   Reserved for future applications |
+
+Setting the _BTSEL_ switch to the `ON` position will place the board in _Programming Mode_, allowing to update the OS Image of the Portenta X8.
 
 When the Portenta Hat Carrier is combined with either the Portenta H7 or C33, the DIP switch adjustments are as follows: