LG LY75 Series Installation Manual page 27

RS-232C IN
(CONTROL & SERVICE)
1
6
Male connector on box,
viewed towards connector .
(5) one channel Map
- If 'One Channel Map' is 'Yes', the TV will operate as below .
A . When the TV is auto-scanning, it searches both air and cable channels .
B . User can assign a channel number him/herself by manual scan .
C . In 'Programme Edit' window, all channels are shown in a single list regardless of input source .
(DTV/RADIO/TV/Cable DTV)
D . Automatically scanned channels may not have the user-desired channel numbers .
- If user change the 'Yes/No' value, an pop-up window will be displayed to warn that all channel
information will be deleted . The Default value is 'Yes' .
(6) lock Mode
- If 'Lock Mode' is 'Yes', the following features will be unavailable .
*Teletext,
*EPG
*Sub-Title
*Caption (Include MPEG4)
*MHEG
*USB Enable(Exclude S/W update)
*Factory Reset
(7) DtV channel update (This feature is not available for all models .)
- It is a mode to set whether to update dtv channel automatically or not .
When DTV Channel Update is set to 'Auto', the function to update TV's programme map according to
dtv programme's stream information .
DTV Channel Update is set to 'Manual', the function to keep TV's programme map even though dtv
programme's information is changed .
Interface box
type of connector: D-sub 9-pin Male
5
No . Signal
1 VCC
2 RX RS232
3 TX RS232
4 IR from TV
5 GND
6, 8 Not connected
9
7 2 A
9 1 .5 A
Signal requirements
Standard RS232 specification
Standard RS232 specification
Power ground
+5VDC 10%, max 100mV ripple
+12VDC 10%, max 100mV ripple
25