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SERVICE ADJUSTMENT
•SERVICE MODE FUNCTION
1. Connect a test pattern to the antenna terminal.
2. Tune the receiver to this signal.
3. Turn the receiver off using the mains switch.
4. Press the volume down and channel up buttons on the front of the receiver at the same time.
5. Keeping these buttons pressed, turn the mains on.
6. When the set starts up it will be in service mode.
7. Release the two buttons.
Use the channel up and down buttons to move between the options.
•
•
Use the volume control buttons to change the data.
The data is stored automatically when the service mode is exited or at switch off.
•
To exit the service mode, press the standby or menu button on the remote control.
•
On Screen
Display
-SERV-
AGC
AFT
H-SHIFT
V-SHIFT
V-AMPL
V- SLOP
S-CORR
Y-DLY
GAIN R
GAIN G
GAIN B
NVM
To ensure correct operation of the AFT, this must be adjusted to 40.
On Screen
Display
Hexadecimal
Adjustment
Range
Hexadecimal
Adjustment
Range
Indicates operative Service Mode
00∼ 3F
Auto Gain Control
00 ∼ 7F
Auto Frequency Control
00 ∼ 3F
Horizontal Shift
00 ∼ 3F
Vertical Shift
00 ∼ 3F
Vertical Amplitude
00 ∼ 3F
Vertical Symmetry
00 ∼ 3F
S Correction
00 ∼ 3F
Luminance/Chrominance Delay
00 ∼ 3F
Red Gain
00 ∼ 3F
Green Gain
00 ∼ 3F
Blue Gain
00 ∼ FF
NVM Data Change
XXXX
XX
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○
○
○
○
○
○
TELETEXT
5
Function
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54GT-25S
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