Crown XTi 1002A, Руководство по эксплуатации

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XTi 2 . 5
系列功率放大器
XTi 2 . 5 Series Power Amplifier
7
Operation Manual
操作手册
3 .
前面板
3. Front Panel
A
B C D E F
A
A.
指示灯：
•
就绪指示灯：每个通道配有一个
LED
指示灯。
当功放进入就绪状态时，
LED
指示灯点亮为
绿色。
•
信号指示灯：每个通道配有一个
LED
指示灯。
当输入信号超过
- 40 dBu
时，
LED
指示灯点亮为
绿色。
• - 20 指示灯：每个通道配有一个 LED 指示灯。
当功放输出信号超过
- 20 dB
并低于削波阈值
时，
LED
指示灯点亮为绿色。
• - 10
指示灯：每个通道配有一个
LED
指示灯。
当功放输出信号超过
- 10 dB
并低于削波阈值
时， LED 指示灯点亮为绿色。
•
削波指示灯：每个通道配有一个
LED
指示灯。
当功放达到失真阈值时，
LED
指示灯点亮为
红色。
• 温度指示灯：每个通道配有一个 LED 指示灯。
当运行温度过高时，
LED
指示灯点亮为红色。
B.
散热通风口：
实现从前往后的强空气对流。
C.
增益控制：
每通道一路黑色电平控制旋钮。
D. Sel/Pre/Next
按键：
此三个按键（选取
/
回车、前一页
/
往上、下一页
/
往下）用于进入菜单选项及前面板锁止功能。
E. LCD
显示屏：
背光液晶显示屏显示已启用的预设和扬声器处
理进程。
F.
电源按键和指示灯：
用于开启和关闭此功放。通电时，指示灯点亮
为蓝色。
A. Indicators:
• Ready Indicator: Two green LEDs, one for each channel,
illuminate when the amplifier is ready to produce audio.
• Signal Presence Indicator: Two green LEDs, one for
each channel, illuminate when the channel input
exceeds - 40 dBu. Useful for troubleshooting cable runs.
• - 20 Indicator: Two green LEDs, one for each channel,
illuminate when the output signal exceeds - 20 dB below
clip.
• - 10 Indicator: Two green LEDs, one for each channel,
illuminate when the output signal exceeds - 10 dB below
clip.
• Clip Indicator: Two red LEDs, one for each channel,
illuminate at the threshold of audible distortion.
• Thermal Indicator: Two red LEDs, one for each channel,
illuminate when thermal compression begins due to
excessive temperature conditions.
B. Cooling Vents:
Front to rear forced air flow.
C. Gain (Level) Controls:
Two black rotary level controls, one for each channel.
D. Sel/Prev/Next Buttons:
Three buttons located underneath the LCD screen used to
access menu items and front panel lockout.
E. LCD Screen:
Backlit liquid crystal display shows enabled presets and
speaker processing.
F. Power Button & Indicator:
Turns amplifier power on and off. Blue LED will illuminate
when power is turned on.