Sony SDX-D550V Mode D'emploi page 16

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Part 2. Preparation
Cleaning Request Mode
Periodic cleaning requests can be enabled by a DIP switch.
ON
OFF
1 2 3 4
When switch 6 is ON, cleaning requests are enabled. When enabled, the "CLEANING
REQUEST" LED on the front panel lights after every 100 hours of operation.
When this LED lights, clean the drive with a head cleaning cartridge.
Note
To maintain the drive in optimum condition in environments affected by dust
and other contaminants, we recommend keeping cleaning requests enabled.
Terminator Power Control DIP switch
This DIP switch determines whether terminator power is supplied to the
SCSI bus. To enable terminator power, set position 5 [Terminator Power]
switch to ON.
Data Compression Control DIP Switch
Data compression can be selected by DIP switches. Data compression is
enabled while position 7 [DC Control (1)] is ON. Control by host can be
disabled when position 8 [DC Control (2)] is ON.
5 6 7 8
1 Drive Mode
2 Drive Mode
3 Drive Mode
4 Drive Mode
5 Terminator Power
6 Periodic Cleaning Req (ON)
7 DC Control (1)
8 DC Control (2)