Bose 2150 Посібник інсталятора - Сторінка 7
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4.1 Front Panel
°
0dB
1
1
Level Controls
2
Status Indicators
3
Level Indicators
1. Level controls
Independent level controls are provided for Channel 1 and Channel 2. When each level
control is set fully clockwise the channel operates at maximum gain. Turning the controls
counterclockwise attenuates the output signal. Each level control adjusts incrementally in
steps of ±2.5 dB.
The level knobs can be removed to prevent tampering with the amplifier volume. Once the
amplifier level is set, remove the knobs. Gently pull the knobs straight off and store them in
a safe place for future use. The controls can then be replaced with the supplied plastic
covers. See Figure 1 below.
Ch 1
Clip
Clip
-6dB
-6dB
-12dB
-12dB
-20dB
-20dB
Signal
Signal
Thermal
Thermal
Protect
Protect
∞
0dB
Ready
Ready
Ch 1
Clip
Clip
-6dB
-6dB
-12dB
-12dB
-20dB
-20dB
Signal
Signal
Thermal
Thermal
Protect
Protect
∞
Ready
Ready
0dB
AM259107_00_V.pdf
Ch 1
Ch 2
Clip
Clip
-6dB
-6dB
-12dB
-12dB
-20dB
-20dB
Signal
Signal
Thermal
Thermal
Protect
Protect
°
Ready
Ready
0dB
2
4
Network Activity Indicator
5
Standby Indicator
6
Power Switch
Ch 2
∞
0dB
Network
Ch 2
∞
Network
0dB
Network
3
4
7
Removable Rack Ears
M 2150
Commercial Power Amplifier
Power
On
Off
Standby
M 2150
Commercial Power Amplifier
Power
On
Off
Standby
November 19, 2001
4.0 Operation
M 2150
Commercial Power Amplifier
Power
On
Off
Standby
5
6
7
Figure 1
Level control knobs can be
removed and covered
7