Docs update - how to exit UM980 direct connect mode on Torch

Author: PaulZC

docs/firmware_update_um980.md

@@ -76,7 +76,7 @@ The UM980 is the GNSS receiver inside the RTK Torch. The following describes how
 	</figcaption>
 	</figure>
 
-7. The update process can take multiple minutes. Once completed, close UPrecise, and power cycle the RTK Torch.
+7. The update process can take multiple minutes. Once completed, close UPrecise, and press the Torch Power Button to exit the direct-connect mode.
 
 	<figure markdown>
 	![UM980 Firmware version shown in System Menu](./img/Terminal/SparkFun RTK Everywhere - System Menu UM980 Firmware.png)
@@ -85,4 +85,7 @@ The UM980 is the GNSS receiver inside the RTK Torch. The following describes how
 	</figcaption>
 	</figure>
 
-8. Upon power-up, the firmware will be updated. Open the System Menu to confirm the firmware version.
+!!! note
+	Once in the special UM980 direct connect mode, the firmware will stay in that mode until you give the Torch Power Button a single press. If you power-cycle the Torch while it is in direct connect mode, it returns to direct connect mode on power-up. Give the button a single press to exit.
+
+8. After a restart, you will find the firmware updated. Open the System Menu to confirm the firmware version.