TH-70LF50ER - Panasonic TV Service Manual (repair manual). Page 12

LA40 chassis series have special function and operation setting facility called Option Menu. This Option Menu is useful for 
special function required customers. This should be set at the installation stage. 
 

Option menu 

Default setting Contents 

Input Search 

 

 

On screen display 

On 

Enable/disable to display input mode indication after power on and 
no signal indication. 

Initial input 

Off 

Sets the initial input mode when the power is turned on. Allow input 
mode selection while power is on. 

Initial VOL level 

Off 

Sets the initial volume level when the power is turned on. Allow 
Volume control while power is on. 

Maximum VOL level 

Off 

Sets the maximum volume to desired level. Volume cannot exceed 
this level. 

Input lock 

Off 

Fixes the input mode to PC, SLOT INPUT, VIDEO, 
Component/RGB, HDMI or DVI. Can not change input mode by 
input selection key. 

Button lock 

Off 

Enable/Disable bottom operation buttons (Input, Menu, Enter 
and/or volume up/ down). 

Remocon User level 

Off 

Remote key invalidation. 
Off: Valid key is all key of remote. 
User1: Valid key are only Stand-by (ON/OFF), Input, RECALL, 
Sound mute On/Off, and volume adjustment. 
User2: Valid key is only Stand-by (ON/OFF). 
User3: All keys are null and void 

Off-timer function 

Enable 

Off-timer operation Enable/Disable. 

Initial Power Mode 

Normal 

Sets the power mode of the unit for when the power recovers from 
failure or after plugging off and in again. 

ID select 

0 

Sets panel ID number when panel is used in “Remote ID” or “Serial 
ID”. 
Set value range: 0 – 100 
(Standard value: 0) 

Remote ID 

Off 

Remote ID function On/Off.(While the Remote ID on, standard 
remote function can not control the unit.) 

Serial ID 

Off 

Serial ID function On/Off 

Serial Daisy Chain 

Off 

Sets the top and end of a daisy chain when the SERIAL terminal of 
Display is daisy chained. 

Studio W/B 

Off 

Studio W/B function On/Off 

Slot power 

Off 

Sets the slot power mode while the power is turned on. 
Allow Optional Terminal Board insert Slots while power is on. 

Power ON Screen Delay 

Off 

You can set the power-on delay time of the displays to reduce the 
power load, when you press  

 to turn on the multiple displays 

that are set together, for example, on MULTI DISPLAY system. 
Set each display’s setting individually. 

Clock Display 

Off 

Clock Display function On/Off. 

Power On Message (No activity power off) 

On 

Whether to show/hide No activity power off Precautions at the time 
of power ON is set. 

Function button assign 1 
Function button assign 2 

Signal 
Screensaver 

Set the functions that operates when 

  is pressed. 

 

 

Note: 
When both main unit buttons and remote control are disabled due to the “Button lock”, “Remocon User level” or “Remote ID” 
adjustments, set all the values “Off” so that all the buttons are enabled again. Press the “Volume down” button on main unit 
together with “R” button on the remote control and hold for more than 5 seconds.