Alto HPA4 Посібник користувача - Сторінка 6

Переглянути онлайн або завантажити pdf Посібник користувача для Підсилювач Alto HPA4. Alto HPA4 14 сторінок. 4-channel headphone amplifier

1. Direct In Input

The Direct In Input is used to feed the external program sources into the main signal path, comparing to the Main

Input on the rear panel, this input presents the priority character.

2. Input Gain Control

This control sets the input signal level coming from Main In.

3. Input Level Meter

This meter tells you the level of the main input signal coming from Main/Direct In, and the range goes from -18dBu

to +18dBu.

4. Aux In Input

The Aux In Input is used to feed the further input signal, which can be mixed with the Main/ Direct In signal via

Balanced Control.

5. L Mute Switch

The Left input signal will be muted if this switch is activated.

6. R Mute Switch

The Right input signal will be muted if this switch is activated.

7. Mode Switch

This push-button switches the operational mode between Mono and Stereo. Press this button for Mono application,

and the Mono LED (8) lights up.

8. Mono LED

This LED informs you the current operational mode. Press the Mode Switch (7) for Mono application, this LED

lights up.

9. Headphone Out Output

In parallel with the Headphone Output on the rear panel, this 1/4" TRS phone jack is also used to output the signal

of the individual channel.

10. Balanced Control

This control is used to set the proportion between the signal coming from Aux In Input and Main/Direct In Input.

11. Output Gain Control

This control is used to adjust the output level of the individual channel.

12. Output Level Meter

This 8-digit meter tells you the level of the output signal, and the range goes from -18dBu to +18dBu. In case of

the Clip LED lights up, please turn down the Input Gain Control or/and the individual Output Gain Control to avoid

any distortion.

13. Bass Control

This knob is used to attenuate or boost the low frequency signal by 15dB.

14. Treble Control

This knob is used to attenuate or boost the high frequency signal by15dB.