Bose F1 Model 812 Flexible Array Loudspeaker Multilingual Owners Guide - Page 19

LED Indicators, Limited Warranty and Registration, Accessories

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Care and Maintenance Problem Excessive Noise or System Hum What to do • When connecting a microphone to the F1 Model 812 Loudspeaker, make sure the INPUT 1, SIGNAL INPUT switch is set to MIC. • Check to make sure that all system connections are secure. Lines that are not completely ­connected could create noise. • If using a mixing console, external source or receiving input from the F1 Subwoofer, make sure the INPUT 1 SIGNAL INPUT switch on the F1 Model 812 Loudspeaker is set to LINE. • For best results, use balanced (XLR) connections on the system inputs. • Keep all signal-carrying cables away from AC power cords. • Light dimmers can cause hum in loudspeaker systems. To avoid this, plug the system into a circuit that is not controlling lights or dimmer packs. • Plug the audio system components into power outlets that share a common ground. • Check cables at mixing console inputs by muting channels. If the hum goes away, replace the cable at that mixing console channel. LED Indicators The following table describes LED behavior on both the F1 Model 812 Loudspeaker and F1 Subwoofer. Type Location Front LED (Power) Front Grille SIGNAL/CLIP INPUT 1/2 POWER/FAULT Rear panel LIMIT Rear panel Color Blue Blue Behavior Steady state Pulsing Green (nominal) Flicker/Steady state Red Flicker/Steady state Blue Red Steady state Steady state Amber Pulsing/Steady state Indication Loudspeaker is on Limiter is active, amplifier protection engaged Input signal present Input signal too high Loudspeaker is on Amplifier thermal shutdown active Limiter is active, amplifier protection engaged Required Action None Reduce volume or source input level Adjust to desired level Reduce volume or source input level None Turn loudspeaker off Reduce volume or source input level Limited Warranty and Registration Your product is covered by a limited warranty. Visit pro.Bose.com for warranty details. Register your products online at www.Bose.com/register or call (877) 335-2673. Failure to do so will not affect your warranty rights. Accessories A variety of wall/ceiling brackets, carry bags and covers are available for these products. Contact Bose to place an order. See the contact information inside the rear cover of this guide. English - 19

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English - 19
Care and Maintenance
Problem
What to do
Excessive Noise or System
Hum
• When connecting a microphone to the F1 Model 812 Loudspeaker, make sure the INPUT 1,
SIGNAL INPUT switch is set to MIC.
• Check to make sure that all system connections are secure. Lines that are not completely
connected could create noise.
• If using a mixing console, external source or receiving input from the F1 Subwoofer, make sure
the INPUT 1 SIGNAL INPUT switch on the F1 Model 812 Loudspeaker is set to LINE.
• For best results, use balanced (XLR) connections on the system inputs.
• Keep all signal-carrying cables away from AC power cords.
• Light dimmers can cause hum in loudspeaker systems. To avoid this, plug the system into a
circuit that is not controlling lights or dimmer packs.
• Plug the audio system components into power outlets that share a common ground.
• Check cables at mixing console inputs by muting channels.
If the hum goes away, replace the
cable at that mixing console channel.
LED Indicators
The following table describes LED behavior on both the F1 Model 812 Loudspeaker and F1 Subwoofer.
Type
Location
Color
Behavior
Indication
Required Action
Front LED (Power)
Front Grille
Blue
Steady state
Loudspeaker is on
None
Blue
Pulsing
Limiter is active, amplifier
protection engaged
Reduce volume or
source input level
SIGNAL/CLIP
INPUT 1/2
Green (nominal)
Flicker/Steady state
Input signal present
Adjust to desired level
Red
Flicker/Steady state
Input signal too high
Reduce volume or
source input level
POWER/FAULT
Rear panel
Blue
Steady state
Loudspeaker is on
None
Red
Steady state
Amplifier thermal shutdown
active
Turn loudspeaker off
LIMIT
Rear panel
Amber
Pulsing/Steady state
Limiter is active, amplifier
protection engaged
Reduce volume or
source input level
Limited Warranty and Registration
Your product is covered by a limited warranty. Visit
pro.Bose.com
for warranty details.
Register your products online at www.Bose.com/register or call (877) 335-2673. Failure to do so will not affect your
warranty rights.
Accessories
A variety of wall/ceiling brackets, carry bags and covers are available for these products. Contact Bose to place an
order. See the contact information inside the rear cover of this guide.