Sony HCD-ZX50MD Service Manual page 30

4-1. PRECAUTIONS FOR USE OF TEST MODE
• As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc
is stopped before setting and removing it.
Even if the MD Z button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not
stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the CLEAR button while REC IT is lit, and press the MD Z button while REC IT is off after the disc stops rotating.
4-1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC 1MODE) (C35)
• Laser power check mode (LDPWR CHECK) (C13)
• Laser power adjustment mode (LDPWR ADJUS) (C04)
• Iop check (Iop Compare) (C27)
• Iop value nonvolatile writing (Iop NV Save) (C06)
• Traverse (MO) check (EF MO CHECK) (C14)
• Traverse (MO) adjustment (EF MO ADJUS) (C07)
• When pressing the MD REC button.
4-2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: In the power ON state, set the function to MD, and while pressing the DISPLAY and x buttons together, press V-GROOVE .
When the test mode is set, "[Check]" will be displayed. Move the multi-stick to switch between the following three groups;
··· y Check y Service y Develop y ···.
Procedure 2: In the power ON state, set the function to MD, and while pressing the DISPLAY and x buttons together, press the NAME
EDIT/CHARACTER button.
When the test mode is set, "AUTO CHECK" will be displayed. By setting the test mode using this method, only the "Check"
group of method 1 can be executed.
NOTE: Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the CLEAR button while REC IT is lit, immediately to exit the [Develop] group.
4-3. EXITING THE TEST MODE
Press the MD Z button while REC IT is off. The disc is ejected when loaded, and "Standby" display blinks, and the STANDBY state is set.
4-4. BASIC OPERATIONS OF THE TEST MODE
Operate using the multi-stick, PUSH ENTER button, MD REC MODE button, CLEAR button, NAME EDIT/CHARACTER button.
Function name
CLEAR button (When REC IT is lit)
PUSH ENTER button
Mulit stick (Left or Right)
MD REC MODE button (When REC IT is lit)
NAME EDIT/CHARACTER button
30
Function
Cancel or move to top hierarchy
Set
Select
Set submenu
Switching of button operations (REC IT lights up/goes off)