BOXLIGHT MP-355m, User Manual

Page: 23 / 74

15
Connecting an External Speaker
To connect one or two external speakers, plug the speaker cable
into the (audio out) connector on the projector.
F
IGURE
13
Connecting an external speaker
Powering up the Projector and Adjusting the Image
NOTE: Always use the power cord
that shipped with the projector.
1
Remove the lens cap.
2
Plug the power cord into the side of the projector, then plug it
into your electrical outlet. A surge-protected power strip is
recommended if power surges are common in your area.
•
The Power button on the keypad lights and the fans run on
low speed. After the projector has initialized, the Power
LED (Figure 18 on page 21) lights solid green.
3
Turn on the projector by pressing the power button on the
keypad.
CAUTION: If the lamp LED
remains solidly lit after the projec-
tor has powered on, the lamp
needs to be replaced. Refer to
“Replacing the Projection Lamp”
on page 39 for more information.
•
The startup screen displays.
4
If you connected a video player, turn it on.
•
Press the
video
button on the keypad to display the image
from your video player. (You can select a default source to
determine which source the projector examines first during
power-up for active video; see “Default Source” on
page 32.)
•
Use the
volume
buttons to adjust the volume.