QB-V850ESFJ3 Preliminary User’s Manual ZUD-CD-05-0149 20/57
(6) POWER (Red LED)
This is an LED that shows whether or not the power supply of the QB-V850ESFJ3 is switched on.
LED State
QB-V850ESFJ3 State
Lit
Power switch ON
Not lit
Power switch OFF or AC adapter not connected to QB-V850ESFJ3
Blinking
Internal error occurred (Contact an NEC Electronics sales representative or distributor)
(7) TARGET (Green LED)
This is an LED that shows whether or not the power supply of the target system is switched on.
LED State
Target System State
Lit
Target system power supply ON
Not lit
Target system power supply OFF or target system not connected
(8) Power switch
This is the power switch of the QB-V850ESFJ3. It is OFF at shipment.
2.2 Removal of Acrylic Board
To change the jumper or clock setting, the acrylic board on the bottom of the QB-V850ESFJ3 must be removed.
The acrylic board can be removed by lifting it up.
Figure 2-2. Acrylic Board Removal Method