Sound Related Requirements; User Interface Specification; Side Controls - Philips 231T1SB/00 Service Manual

to broadcast other information, such as audio in another language. With dual sound, you can enjoy the main sound
(normal program soundtrack) and the second language at the same time.
Choose the available sound mode for channels that is preset by TV broadcasting station.
Source Detected Sound System
2CS Mono
2CS Stereo
2CS Dual
Front-end NICAM Mono
NICAM Stereo
NICAM Dual
The icon text "Mono" should show in red on screen when with mono (forced) is selected.
3.5.3

Sound Related Requirements

Volume control
Soft mute
Lip Sync
AVL
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User Interface Specification

TV controls can be reached via top control keypads or remote control

4.1 Side Controls

Current/Display Sound Mode
Mono
Mono (forced)
Stereo
Dual I
Dual II
NICAM Mono
FM/AM Mono
NICAM Stereo
FM/AM Mono (forced)
NICAM Dual I
NICAM Dual II
FM/AM Mono(forced) (option)
Should be gradual change of sound level from zero to maximum output
A short and gradual increase of the sound to prevent the pop sound
during AC plug in/out, standby on/off, channel change, mute on/off
To synchronise sound with video due to delay in video decoding
To stabilize the TV audio input level in the case of over/under-modulated
signal from non-standard broadcast transmission
Key TV/Video mode
Source Select Input Source
Menu Enter /Exit OSD menu
"+" (Volume) Menu Navigate Right/Increase/Volume up
"-" (Volume) Menu Navigate Left/Decrease/Volume down
"+" (Channel) Menu Navigate Up/Channel up
"-" (Channel) Menu Navigate Down/Channel Down
Power Power ON /OFF
Meridian 1
New/Next Sound Mode
Mono
Stereo
Mono (forced)
Dual II
Dual I
FM/AM Mono
NICAM Mono
FM/AM Mono (forced)
NICAM Stereo
NICAM Dual II
FM/AM Mono (forced)
NICAM Dual I
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