Add a recommendation about 'peak meter' usage to the manual.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31354 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 15 insertions, 0 deletions

diff --git a/manual/advanced_topics/main.tex b/manual/advanced_topics/main.tex
index 3503e58..93d1935 100644
--- a/manual/advanced_topics/main.tex
+++ b/manual/advanced_topics/main.tex
@@ -722,6 +722,16 @@ current version.
   (see \reference{ref:ReplayGain}).
 }
 
+\opt{lcd_bitmap}{
+\subsection{Peak Meter}
+  The peak meter is a feature of the While Playing Screen and will be updated with a 
+  high framerate. Depending on your \dap{} this might result in a high CPU load. To 
+  save battery runtime you should switch this feature off (see \reference{ref:peak_meter}).
+  \opt{ipodvideo}{
+    \note{Especially the \playerman{} \playertype{} suffers from an enabled peak meter.}
+  }
+}
+
 \opt{swcodec,disk_storage,flash_storage}{
 \subsection{Audio format and bitrate}
 \opt{swcodec}{
diff --git a/manual/rockbox_interface/wps.tex b/manual/rockbox_interface/wps.tex
index c2964a7..024ff4a 100644
--- a/manual/rockbox_interface/wps.tex
+++ b/manual/rockbox_interface/wps.tex
@@ -180,6 +180,11 @@ your WPS (While Playing Screen).
     For a picture of the peak meter, please see the While
     Recording Screen in \reference{ref:while_recording_screen}.
   }
+  \opt{ipodvideo}{
+    \note{Especially the \playerman{} \playertype{}'s performance and battery runtime
+     suffers when this feature is enabled. For this \dap{} it is highly recommended
+     to not use peak meter.}
+  }
   
   \begin{description}
   \item [The bar:]