Chapter 3
Operating Instructions
Setting the Operating Mode
Operating the FOS unit requires setting its operating mode with the two switches on the unit’s front panel
to the appropriate positions (see Figure 3).
6
4
Figure 3: FOS Unit Switches
Switch (4) Position
Switch (6) Position
Result
L
MANUAL
Left Channel Open
TTL/DARK
MANUAL
Both Channels Closed
R
MANUAL
Right Channel Open
TTL/DARK TTL
Operation by external TTL signal:
High - Left Channel Open
Low - Right Channel Open
Note
Other switch positions are not defined.
000-10000-040-02-0505
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Summary of Contents for FOS-2x2-TTL
Page 4: ...Warranty B 000 10000 040 02 0505...
Page 6: ...Table of Contents ii 000 10000 040 02 0505...
Page 8: ...About This Manual iv 000 10000 040 02 0505...
Page 15: ...2 FOS 2x2 TTL Specifications Pinout Diagram 000 10000 040 02 0505 7...
Page 16: ...2 FOS 2x2 TTL Specifications 8 000 10000 040 02 0505...
Page 18: ...3 Operating Instructions 10 000 10000 040 02 0505...
Page 20: ...Index 12 000 10000 040 02 0505...
