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Chapter 5 Operation Guide
2. Digital Control Interface (DB-25) Description
（1）The laser is controlled via signals applied to the DB-25 connector.
Please refer to the connector interface description table above for 5.2.1
pin designation and operating levels.
（2）Pins 1 to 8 are the 8 bit bus for the output power setting. Pin 1 is the
least significant bit and pin 8 is the most significant bit. Codes in the range
0...255 (0...FFh) should be applied to these pins, which correspond to the
power setting of 0...100% of the specified nominal value, such as:
Set 1 Set 2 Set 3 Set 4 Set 5
Pin 1 0 0 0 0 0
Pin 2 0 0 0 0 0
Pin 3 0 0 0 0 0
Pin 4 0 0 0 0 0
Pin 5 0 0 0 1 1
Pin 6 0 0 1 1 1
Pin 7 0 1 1 1 1
Pin 8 1 1 1 1 1
Current 50% 75% 87.5% 93.75% 100%
Laser Power 35% 65% 85% 92% 100%
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