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ISS 408 Integrated Seamless Switcher • Operation 23
Auto Imaging and Auto Memories submenu
The Auto Imaging and Auto Memories menu provides a means to turn the auto imaging and
auto presets features on or off globally.
If auto imaging is set to on, the ISS automatically sizes and centers the selected input to fill
the screen when a new frequency is input. If auto imaging is set to off, the ISS automatically
sizes and centers the selected input only when it is commanded using the input button (see
“Auto imaging an input, on page 16). Rotate the Adjust knob to toggle auto imaging on
or off for all input selections.
The auto memories feature saves and recalls centering, sizing, and filtering information,
based on the input frequency. Auto memory settings may conflict with user preset settings.
When you use a control system to switch inputs and then recall a user memory, the delay
in recalling the auto memory settings could result in the recalled auto memory settings
overwriting the recalled user memory settings. To prevent this conflict, turn auto memories
off. Rotate the Adjust knob to toggle auto memories on or off.
Enhanced Mode submenu
The Enhanced Mode submenu provides a means to turn enhanced mode on or off.
Enhanced mode is an automatic gain control for S-video or composite video input signals
scaled and applied to the program output. If the input signal level is too weak, the signal
gain is increased; if the input signal level is strong, the signal gain is decreased.
Use either the Adjust or the Adjust knob to select among enhanced mode off or on for
the program output. The default is Off.
NOTE: Enhanced mode is effective only for S-video and composite video input signals.
Pixel Phase submenu
The Pixel Phase submenu displays and lets you set the pixel phase, which is the timing
of the digital scaler’s sampling. Sampling at the optimum pixel phase results in a brighter
scaled output.
Use either the Adjust or the Adjust knob to select the pixel phase for both outputs
simultaneously from 0 to 31. The default is 16.
Preview Switch Mode submenu
The Preview Switch Mode submenu lets you set the way the preview output responds to
the cut or dissolve operation.
• Stay mode — When you initiate either a cut or dissolve operation, the video and audio
signals on the preview output are applied to the program output (see figure 24 on the
next page) and also continue to be applied to the preview output until another input is
selected.
The video input switches between the switcher’s two internal scalers, resulting in a
switching report being issued on the RS-232 port (see “Switcher-Initiated Messages“
on page 36).
• Swap mode — When you initiate either a cut or dissolve operation, the preview and
program outputs are swapped (see figure 24). The video and audio signals on the
preview output are applied to the program output. The video and audio signals that had
been applied to the program output are applied to the preview output.
Each of the switcher’s two internal scalers retains the same video inputs; only the
outputs are swapped. No switching report is issued on the RS-232 port.