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CHAPTER 2: Local Operation
Operation
The iAM-SUM can be operated easily and simply from controls on its front panel, as
described in this chapter. It may be accessed remotely in two ways, via the Wohler
Web GUI for administrative purposes or by third party equipment via Application
Programming Interface (API) commands. The Wohler Web GUI is described in
Chapter 4 of this manual. The API commands are described in Appendix E of this
manual.
Startup
The iAM-SUM will begin its startup process when it is connected to power. There is
no power switch. It is normal for the product to require about 45 seconds to start
up and be ready to use.
When the iAM-SUM completes its startup, the Status indicator will turn green.
Depending upon optional settings, all channel pairs will either be in the muted
condition or set in a predetermined way. You may then use the Source and
Channel controls to enable only the program channels you want to hear.
Front Panel
The front panel is shown in Figure 2-1.
1. Interactive LCD Metering Display: A widescreen LCD touch screen allows
monitoring of bar graph meters of up to 8, 16, or 32 channels, depending upon the
model, as well as selecting which channels to monitor audibly.
2. Speakers: Local near field audio monitoring is achieved through the use of Class D
amplifiers. There are two (left/right) speakers.
3. Headphone Jack: A 1/4" jack for an optional headphone is provided on the front
panel. Speaker audio can be optioned to either mute or not mute when
headphones are plugged in. This is set in the Speaker Options menu. If the
iAM-SUM
Figure 2–1: iAM-SUM Front Panel
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