JVC AV-21RM4SE Service Manual page 3

4.1.2 HOW TO ENTER THE SERVICE MODE
(1) Press the [INFORMATION] key and [MUTING] key
simultaneously, and the SERVICE MENU screen will be
displayed. (Fig.1)
SERVICE MENU
JVCAK30/37 B23
OSD 080
IF1 004
IF2 069
IF3 004
IF4 031
AGC 042
VLIN 031
RGBH 007
VSOF -20
VPOF -05
> 0 3 AVL *
4.1.3 HOW TO SELECT THE SETTING ITEM
While the SERVICE MENU screen is displayed, press the [ ]/[ ]
key and select the setting item.(Fig.2)
Bit 7 Bit 5
00000000
Bit 6 Bit 4
JVCAK30/37 B23
NIP 018
SCP2 018
SEC2 017
F1H 00001101
F1L 00010010
F2H 00010010
F2L 00010010
BS1 00010010
BS2 00010010
BS3 00010010
> 0 3 76543210
Please refer to "AV-20RM4SE, AV-21RM4SE, AV-21RM4SN and AV-21RM4SP (No.YA080)" about this section.
Fig.1
Bit 3 Bit 1
Bit 2 Bit 0
Fig.2
SECTION 5
TROUBLESHOOTING
4.1.4 HOW TO CHANGE THE SETTING VLUE
(1) After selecting the correct 8-bit option line, by using the
dedicated number on the number key (0,1,2,3,4,5,6,7) you
can change that bit from 0 to 1 or vice versa.
Example:
Initially an option with values: "00000000"
Press "0" button: "00000001"
Press "0" button again: "00000000"
4.1.5 HOW TO STORE OF SETTING VALUE
(1) The setting value will be stored auto matically when
release the REMOTE CONTROL UNIT keys.
REMOTE CONTROL UNIT key NAME
MUTING key
INFORMATION key
MENU key
FUNCTION
[ ]/[ ] key
FUNCTION
[ ]/[ ] key
(No.YA080B)1-3