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Operation, cont’d
SW AV Series Switchers • Operation3-6
13
Auto Switch Active LED — When lit, the Auto Switch Active LED indicates
that the switcher is in autoswitch mode. When unlit, the switch is in normal
(manual) mode. See Switch mode in this chapter.
This LED will never light on audio-only switchers.
Executive mode controls and indicator
Audio switchers have audio gain and attenuation adjustments. In executive mode,
front panel adjustment of the audio level is locked. The level cannot be adjusted
from the front panel until the panel is unlocked. See Executive mode in this chapter.
Audio gain and attenuation adjustments are still available via the RS-232 link when
the switcher is in executive mode.
10
Mode button — The Mode button is used with the Executive mode button to
toggle executive mode on and off. See Executive mode (front panel security
lockout) in this chapter.
This button is a secondary function of the Input 1 button.
14
Executive Mode button (unlabeled) — The Executive mode button is an
unlabeled secondary function of the Input 4 button. Executive mode is used
with the Mode button to toggle executive mode on and off. See Executive
mode (front panel security lockout) in this chapter.
15
Executive Mode LED — The Executive Mode LED indicates that the switcher
is in executive mode, and that the front panel I/O button and all audio gain
and attenuation adjustments are locked.
Front Panel Operations
The following paragraphs detail the power up process and provide sample
procedures for switching inputs, viewing and adjusting the audio level, changing
between normal and autoswitch mode, and toggling executive mode on and off.
Power
Plug in the switcher. On all switcher models, power is automatically applied when
the power cord is connected to an AC source. When AC power is applied, the
switcher performs a self-test that blinks the front panel LEDs during the test. An
error-free power up self-test sequence leaves the Auto Switch Active, Executive
Mode, Video, Audio, and Input LEDs on or off in the same configuration as they
were when power was last removed.
If an error occurs during the self-test, the switcher locks up and will not operate. If
your switcher locks up on power-up, call the Extron S
3
Sales & Technical Support
Hotline.
Plug in all system components and turn on the input devices (such as DVD players,
laserdisc players, VCRs, and DSS receivers) and the output devices. Set the input
devices to output video using each device’s own operating instructions. Select an
input. The image should appear on the screen. If no image appears, see
Troubleshooting — If No Image Appears, in this chapter.
Switching inputs
An input can be selected for output using the front panel buttons. In switchers
with both video and audio, the audio input can switch with the video input (audio
follow) or either can be switched separately (audio breakaway). Select an input as
follows: