Hitachi Microscope & Magnifier S-3400N Benutzerhandbuch
![Hitachi](https://files.manualsbrain.com/attachments/318a30c9d46cae1a03ff29c8e1a8ce7b06c25f29/common/fit/150/50/c3659964771301ddbc1d53d08b2407adc4af72464bc0f65ffa4212552d47/brand_logo.png)
2.1 Control Knobs and Switches on Main Unit
2 - 8
2.1.7 System Power Distribution Board
Figure 2.1-7 shows an external view of the system distribution board located in the back of the
main unit.
Figure 2.1-7 shows an external view of the system distribution board located in the back of the
main unit.
Fig. 2.1-7 System Power Distribution Board
• MAIN ELB:
Main breaker. At starting turn it ON. Turn it OFF for a complete shutdown.
• FFB1 STAGE: Breaker for the power for the Type II stage control unit. This breaker, which
is not required for a Type I stage, should normally be turned OFF.
• FFB2 DISPLAY: Breaker for the display power supply unit. Normally this remains ON.
Turn it OFF for a complete shutdown.
MAIN ELB
FFB1 STAGE
FFB2 DISPLAY