TEAC DW-224E-V Hardware Specification - Page 33

Standby Mode, Sleep Mode, Using the lens cleaner - software

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The transition from the active or standby mode is possible using the power management command (IDLE, IDLE IMMEDIATE). For details, refer to the Software Specification. 15.4 Standby Mode Except for the functions required for the reception of a command, all other functions are in the power save condition. And although the command can be received, a time is required to restore the functions that are in the power save condition for the command that requires disc access. The transition to the standby mode comes in the following three ways: (1) When using the timer in the drive: After executing (2), (3) and (4) in 15.2, if the specified time elapses by the timer in the drive, the mode will switch from the active to the standby mode via the idle mode. Although the specified time of the timer can be preset using the STANDBY command or MODE SELECT command, it is set to 32 seconds by default. The transition time to the idle mode is included in the preset value of the timer. For details, refer to the Software Specification. The timer will be initialized to the specified value after executing (2), (3) and (4) in 15.2. The timer will not be initialized when a command which does not require disc access is executed in the active mode. (2) When using the power management command (STANDBY, STANDBY IMMEDIATE) or START/ STOP UNIT command: The transition from the active or idle mode is possible using the power management command (STANDBY, STANDBY IMMEDIATE) or START/STOP UNIT command. For details, refer to the Software Specification. (3) When the power is switched ON or a disc is not detected by the disc detection operation while the tray is being retracted, the drive will enter the standby mode. 15.5 Sleep Mode The drive enters a state in which all functions are stopped and no command can be received. The transition to the sleep mode is possible using the SLEEP command. For details, refer to the Software Specification. The resumption from the sleep mode is possible using the RESET signal, the SRST (bit 2 of the Device Control Register) or the ATAPI SOFT RESET command. 15.5.1 Tray ejection/insertion in the sleep mode If the eject button is pressed in sleep mode, the tray will be ejected before sleep mode is entered. If the tray is inserted while in this state, disc detection is performed; If the disc is loaded on the tray, the start-up operation is performed before sleep mode is entered. If the disc is not loaded on the tray, sleep mode is entered. 16. OTHERS 16.1 Using the lens cleaner Some commercially available wet-type lens cleaners may sometimes actually make the lens dirtier rather than cleaning it. In general, we recommend that you avoid using a wet-type lens cleaner. Use a dry-type lens cleaner. - 31 -

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° 31 °
The transition from the active or standby mode is possible using the power management command
(IDLE, IDLE IMMEDIATE).
For details, refer to the Software Specification.
15.4
Standby Mode
Except for the functions required for the reception of a command, all other functions are in the power save
condition. And although the command can be received, a time is required to restore the functions that are in the
power save condition for the command that requires disc access. The transition to the standby mode comes in
the following three ways:
(1) When using the timer in the drive:
After executing (2), (3) and (4) in
15.2
, if the specified time elapses by the timer in the drive, the mode
will switch from the active to the standby mode via the idle mode.
Although the specified time of the timer can be preset using the STANDBY command or MODE
SELECT command, it is set to 32 seconds by default. The transition time to the idle mode is included in
the preset value of the timer.
For details, refer to the Software Specification. The timer will be initialized to the specified value after
executing (2), (3) and (4) in
15.2
. The timer will not be initialized when a command which does not
require disc access is executed in the active mode.
(2) When using the power management command (STANDBY, STANDBY IMMEDIATE) or START/
STOP UNIT command:
The transition from the active or idle mode is possible using the power management command
(STANDBY, STANDBY IMMEDIATE) or START/STOP UNIT command.
For details, refer to the Software Specification.
(3) When the power is switched ON or a disc is not detected by the disc detection operation while the tray is
being retracted, the drive will enter the standby mode.
15.5
Sleep Mode
The drive enters a state in which all functions are stopped and no command can be received.
The transition to the sleep mode is possible using the SLEEP command.
For details, refer to the Software Specification. The resumption from the sleep mode is possible using the
RESET signal, the SRST (bit 2 of the Device Control Register) or the ATAPI SOFT RESET command.
15.5.1
Tray ejection/insertion in the sleep mode
If the eject button is pressed in sleep mode, the tray will be ejected before sleep mode is entered. If the tray is
inserted while in this state, disc detection is performed;
If the disc is loaded on the tray, the start-up operation
is performed before sleep mode is entered. If the disc is not loaded on the tray, sleep mode is entered.
16.
OTHERS
16.1
Using the lens cleaner
Some commercially available wet-type lens cleaners may sometimes actually make the lens dirtier rather than
cleaning it. In general, we recommend that you avoid using a wet-type lens cleaner.
Use a dry-type lens cleaner.