click on "Syestem"
click on "Live TV"
[01] General Settings
Enabled
QuoteEnable the Personal Video Recorder (PVR) features in KODI. This requires that at least one PVR add-on is installed.
Do not show 'connection lost' warnings
QuoteHide the warning if KODI lost the connection to the backend (for example: if the backend service died)
Synchronize channel groups with backends
QuoteImports channel groups from the backend (if supported by the add-on and backend). Will delete user created groups if they're not found on the backends.
Always use the channel order from the backend(s)
QuoteSorts the channels by channel number on the server, but uses KODI's own numbering for channels.
Use backend channels numbers (only works with 1 enabled PVR add-on)
QuoteUse numbering from the backend, instead of configuring them manually over KODI.
Channel manager
QuoteOpens the channel manager, which allows modifying the channel order, channel name, icon, etc.
Search for channels
QuoteInstruct the backend to search for channels (if supported by the add-on and backend)
Reset the PVR database
QuoteDelete channel/epg database and reimport the data from backend afterwards
[02] Menu/OSD
Show channel information when switching channels
QuoteDisplay Moreshows information about the current programm on this channel
-Automatically hide channel information
Automatically hide the channel information that is displayed when switching to another channel in full screen mode
-Channel information duration
Time that the information dialog is displayed when switching channels. Defaults to 5 seconds.
Close channel OSD after switching channels
QuoteAutomatically close the channel OSD after selecting a channel in that OSD.
Folder with channel icons
QuoteLocation where the tv logos ( http://forum.kodi.tv/showthread.php?tid=86047 ) are stored
Scan for missing icons
QuoteLook for missing icons and link icons to channels so they appear in the "Live TV" channel section
[03] EPG 
Days to display in the EPG
QuoteNumber of days of EPG data to import from backends. Defaults to 3 days.
EPG update interval
QuoteTime between EPG data imports from backends. Defaults to 120 minutes.
Default select action
Prevent EPG updates during playback
QuoteDo not import EPG data while playing TV, to minimise CPU usage.
Do not store the EPG in the database
QuoteEPG data is stored in a local database by default, to speed up EPG importing when KODI is restarted. Enabling this option will prevent that.
Do not show 'no information available' labels
QuoteHides "no information available" labels when no EPG data could be retrieved for a channel.
Reset the EPG database
QuoteDelete the EPG database in xbmc and reimport the data afterwards from the backend
[04] Playback 
Start playback minimized
QuoteDisplay stream of selected channel in a small box instead of fullscreen (Defaults: yes)
Continue last channel on startup
QuoteShows the last seen channel if switching to live tv (Defaults: no)
Show signal quality
QuoteTrue to display signal quality information in the codec information window (if supported by the add-on and backend)
Timeout when starting playback
QuoteReturn to the previous window and stop playback if the channel stream doesn't start within this timeout. Defaults to 15 seconds.
Confirm channel switches by pressing OK
QuoteWhen this option is enabled, pressing a number button in full screen mode will automatically switch to the channel number that was entered after 1 second. When disabled, you need to confirm the switch by pressing ok.
Deplay channel switch
QuoteWhen pressing channel up or down, the actual channel switch is delayed. Defaults to 0 milliseconds.
[05] Recording 
Instant recording duration
QuoteDuration of the recording when pressing the record button, or when creating a new manual timer. Defaults to 120 minutes.
Default recording priority
QuotePriority of the recording, between 0 and 100. Higher number means higher priority. Defaults to 50. Not supported by all add-ons and backends.
Default recording lifetime
QuoteDelete recording after this time. Defaults to 99 days. Not supported by all add-ons and backends.
Margin at starting of a recording
QuoteStart recordings before the actual time. Not supported by all add-ons and backends.
Margin at end of a recording
QuoteEnd recordings after the actual time. Not supported by all add-ons and backends.
Display a notification on timer updates
QuoteDisplays a notification when timers are added, finished or removed by the backend.
[06] Power saving 
Enabled
QuoteEnabling this option will execute the "wakeup command" below when KODI exits or is going into hibernation mode. The timestamp of the next scheduled recording is passed as parameter.
Backend idle time
QuoteThe command will not be executed when a recording will be started within this timeout. Defaults to 15 minutes.
Set wakeup command (cmd[timestamp])
QuoteThe command to execute. Defaults to '/usr/bin/setwakeup.sh'.
Wakeup before recording
QuoteTime to substract from the start time of the next scheduled recording. Defaults to 15 minutes.
Daily wakeup
QuoteExecute the wake up command every day at the given time
Daily wakeup time (HH:MM:SS)
QuoteWhen to execute the daily wake up command
[07] Parental control 
Enabled
QuoteWill ask for a pin code to access parental locked channels. Channels can be marked as locked in the channels editor on the general tab. Parental locked channels can not be played or recorded without entering a pin code, and the EPG information is hidden for those channels.
Change PIN
QuoteEnter a new pin code to unlock parental locked channels.
Unlock duration
QuoteAsk for the pin code again when trying to access a parental locked channel and the code hasn't been asked for this duration. Defaults to 300 seconds.
[08] Client specific 
Client specific settings
QuoteThis option will bring you to any specific settings for your PVR backend, if the PVR backend supports changing those settings in KODI
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