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Front Panel
Figure 1–1: Front Panel Layout
1.
Speakers: Audio monitoring is achieved through the use of class D
amplifiers driving two (left/right) wide range speakers.
2.
Headphone Jack (1/4”): A 1/4" jack for an optional headphone is provided
on the front panel.
3.
USB 2.0 Port: This USB Type A connector allows you to use a flash drive
(not supplied) to copy system configurations to another AMP1-16-M or to a
PC and allows you to update the unit’s firmware (Version 4 and later).
4.
Volume: The left knob controls the Volume of the internal speakers,
headphones, and optionally of the rear panel balanced analog outputs. This
control can be set so that it only controls the Left Volume.
5.
Power Indicator: This tri-color LED indicates power and basic status
information. See Table 1–1 below.
Table 1–1: Power Color / Indication Descriptions
LED
Color
Description
Green The AMP1-16-M is functioning properly.
Red
When the LED flashes green or yellow followed by a series of red flashes,
each flash sequence indicates an error code. Try restarting the unit, and
if the problem persists, contact Wohler Technical Support.
Yellow The LED is also a solid yellow when the AMP1-16-M is first starting up.
The LED blinks yellow when a firmware update is in progress.
Off
The AMP1-16-M is not receiving AC power.
6.
Metering: These screens work together to display bar graphs and the
configuration menus.
7.
Channel Pair Select Buttons: These eight buttons allow you to select
single channels, a pair, or multiple pairs of audio to be monitored (depending
upon options selected). They are also used in conjunction with the internal
menu system.
8.
Balance: The right knob adjusts the Balance between the speakers and
optionally between the rear panel balanced analog outputs. This control can
