mdhelp: add note about service probing for IPTV Automatic Network

diff --git a/docs/class/mpegts_network.md b/docs/class/mpegts_network.md
index 53ac3019ac95c78c7062d9c2885f6fc7476bbae0..cc984d60512828ef7940ae83991d06ead477a0fd 100644 (file)
--- a/docs/class/mpegts_network.md
+++ b/docs/class/mpegts_network.md
@@ -15,7 +15,7 @@ supports several different types of network, notably:
    - [ATSC-T](class/dvb_network_atsc_t) - common in north and central America
  * IPTV - TV over the Internet via your broadband connection
    - [IPTV](class/iptv_network)
-   - [IPTV Automatic Network](class/iptv_auto_network) - IPTV using a playlist as the source
+   - [IPTV Automatic Network](class/iptv_auto_network) - IPTV using a playlist as the source - **Please read *IPTV Automatic Network - Don't Probe Services* below for important information!**  
   
 Click the desired network type (above) to see all available 
 [parameters](#items).
@@ -45,3 +45,17 @@ number of factors, such as how many tuners you have available and the
 number of muxes on each.
 
 ---
+
+###IPTV Automatic Network - Don't Probe Services
+
+Tvheadend will by default probe each playlist entry for service information. 
+Some service providers do not allow such probing & will deny (or rate 
+limit) access, leading to scan failures. 
+
+To create services without probing, *Service ID* must be set 
+(usually to 1) and the *Scan after creation* check box un-ticked. 
+
+Note, the above two settings are only visible with the view level set to 
+Expert.
+
+---