ClearOne comm AP400 operation manual Rear panel, Introduction ~ Controls and Connections

Introduction ~ Controls and Connections

C.LED Meter. The LED bar meter is displays the audio level of any selected input or output on the AP400, as well as displaying echo return loss (ERL) and echo return loss enhancement (ERLE) for mic channels 1–4.

D.Meter. The Meter button takes you directly to the Meter branch of the AP400’s LCD programming tree.

E.System, Inputs, Outputs, Routing. These buttons provide direct access to the corresponding sections in the LCD menu.

F.Mic On LED. These LEDs indicate microphone gate status.

G.On. The On button connects and adapts the AP400 to the telephone line. Pressing and holding the On button for more than two seconds while the AP400 is active readapts the unit.

H.Off. The Off button disconnects the AP400 from the telephone line and mutes all audio to and from the telephone line.

Rear panel

5

✍ The front panel buttons are also used to enter the front panel passcode. See Lock

Panel (page 17) for more details. The front panel passcode can also be created in AP-Ware. Refer to the AP-Ware help file for more information.

HI

		D
A	B

C

A.Power. This power module accommodates power ranging from 100–240VAC, 50/60Hz, 30W. No switching is required.

B.Inputs A–D.These connectors are used with line-level inputs. Inputs can include video codecs, AP10 Telephone Interfaces, VCRs, or CD players, or other audio sources. These inputs can be mixed in any combination with the gated inputs to any of the eight outputs. Nominal input is 0dBu. Mix level can be easily set for each non-gated input.

C.Outputs A–D,1–4.These connectors allows eight line-level outputs to be connected to the unit. Outputs can include video codecs, AP800s, AP10 Telephone Interfaces, and VCRs. These outputs can be configured to contain any combination of gated and non-gated inputs. The nominal output level is 0dBm.

E F G

Figure 1.3. AP400 rear panel connectors

For electrical ✍ specifications, see

Specifications, page 37.

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