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IRECTION GB091046, REVISION 2 VIVID E9 / VIVID E7 BT’13 SERVICE MANUAL
Chapter 5 - Components and functions (theory) 5 - 73
5-10-3-3 The ON/OFF button on the Operator Panel has been pressed (cont’d)
• Power to the BEP is turned on, so it can start to boot.
• Power to the Front End rack (FEP) is turned on and the LEDs on the cards in the Front End are lit
(or start blinking).
5-10-3-4 BEP Power-up
As soon as the BEP Power Supply gets power from the Main Power Supply, the different voltages
needed for the BEP are turned on and the BEP starts to boot:
1.) The BIOS is loaded.
2.) If present, the DVD drive is checked for a bootable disc.The USB ports are scanned for bootable
media (UFD). If a UFD is found, the BEP starts to boot from the UFD.
3.) If no bootable removal media was found, the BEP starts to load the current System Software from
the HDD and then the current Application Software.
4.) As soon as the software has been loaded, either a 2D screen is displayed on the screen, indicating
that a probe has been connected, or a No Mode screen is displayed, indicating that no probe has
been connected.
Figure 5-48 LEDs on BEP6 Power Supply (powered)
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