Crown XTi 1002A - 3 Front Panel; 前面板

XTi2.5 系列功率放大器XTi2.5 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-40dBu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-20dB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-10dB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 -40dBu. Useful for troubleshooting cable runs.
• -20 Indicator: Two green LEDs, one for each channel,
illuminate when the output signal exceeds -20dB below
clip.
• -10 Indicator: Two green LEDs, one for each channel,
illuminate when the output signal exceeds -10dB 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.