Adjustment Procedure; Data Initialize; Electronic Volume; Cds Sampling Pulse Adjustment - Hitachi VK-S454 Service Manual

5.

Adjustment Procedure

The following explains the adjustment procedure using the adjustment program (SMAP), following the order of items on the
main menu screen.
Refer to "4. Starting Adjustment Program (SMAP)" in advance, start SMAP and display the main menu on PC display.
In actual work, it is possible to adjust one item independently.
Note: If error message appears on PC display during adjustment, perform troubleshooting, referring to "6. Error Messages".

5.1 Data Initialize

(1) Data Initialize
This procedure initializes the data in EEPROM (including the adjustment data). Any time you replace the PC circuit board
(containing EEPROM), be sure to perform this procedure. [Generally, this procedure is not necessary after replacing other
circuit board (components).]
Important:
After completing this adjustment, be sure to perform all adjustment items as follows.
Procedure:
1) Input A to PC on the main menu screen.
2) The screen for verifying the initialization will appear: Input Y to PC. (*1)
3) Follow the instructions on PC display thereafter.
*1: Entering N on the screen for verifying initialization will restore the data main menu screen.

5.2 Electronic Volume

Before starting:
1) Input B to PC on the main menu screen to display the electronic volume menu screen.
2) Input to PC the appropriate adjustment number. (*1)
*1: Pressing the [Esc] key on the adjustment menu screen will restore the main menu screen.

(1) CDS Sampling Pulse Adjustment

Incompleted Phenomenon:
Diagonal beats and horizontal noise occure.
Procedure:
1) Input 1 to PC on the adjustment menu screen.
2) Follow the instruction on PC display thereafter.
PC Display & Figs
Main menu
***********************************************************
MANUAL ADJUSTMENT PROGRAM
***********************************************************
[A] DATA INITIALIZE
[B] ELECTRIC VOLUME
[C] ADJUSTMENT
[D] AUTO FOCUS
[E] SPOT NOISE
[F] IR CONTROL
[ESC] END
Please select [A] - [F] or [ESC]
3 - 6
Screen for verifying initialization
<< DATA WRITING >>
START TO SEND DATA. (Y/N)
Electronic volume menu
***********************************************************
ELECTRIC VOLUME
***********************************************************
[1] CDS SAMPLING PULSE
[ESC] RETURN TO MAIN MENU
Please select [1] or [ESC]