Extron Electronics ISM 824 - Manual (Page 59)

3-27 ISM 824 Integration Scaling Multiswitcher • Operation and Setup
3 . Use either of the front panel encoders ( [
or
{ ) to adjust the image zoom.
The dimensions of the of the image adjust uniformly.
N A setting increment makes the image larger, and a setting decrement shrinks
the image. The right side and bottom of the image move outwards or inwards,
and the image remains anchored at the active pixel horizontal and vertical start
point, at the top left of the display.
4 . Press the Esc button to clear all buttons and reset the LCD.
Background illumination settings
The background illumination for input, output, control, and picture adjustment
buttons can be toggled on or off (default state is off) as desired from the front panel.
When the background illumination is on, the buttons are lit 25% amber. To toggle
button background illumination on or off do the following:
1. Press and hold inputs 1 and 2 together, for 3 seconds. All buttons
(except I/O buttons, Menu and Next) light 25% amber, if already off.
N When the unit is in Executive Mode 1 (View Mode), background illumination
cannot be changed. See “Front panel security lockout (Executive mode)” section
below for details.
Front panel security lockout (Executive modes)
The front panel security lockout limits the operation of the Integration Scaling
Multiswitcher from the front panel, locking some or all the entire front panel
controls, with the exception of the RS-232/RS-422 and Ethernet ports. There are
two levels of security available via the front panel, Executive modes 1 and 2.
• Executive Mode 1— View Mode. In this mode complete front panel lockout is
achieved, except for viewing ties. No changes can be made and any attempted
changes result in the I/O buttons blinking twice.
To initiate Executive Mode 1 via the front panel, press and hold the Video and
Audio buttons together for 2 seconds. The I/O buttons blink twice and remain
lit, and the LCD displays Executive Mode View Mode.
To exit Executive Mode 1, press and hold the Video and Audio buttons
simultaneously for 2 seconds. The I/O buttons blink twice and remain lit, and
the LCD displays Executive Mode Off.
I / O
VIDEO AUDIO
Executive Mode 1.
To initiate:
Press and
hold the Video and Audio
buttons together for 2 seconds, until the
buttons blink twice. Release the buttons.
Executive Mode
View mode
I / O
VIDEO AUDIO
Executive Mode 1.
To exit:
Press and
hold the Video and Audio
buttons together for 2 seconds, until the
buttons blink twice. Release the buttons.
Executive Mode
Off
Default
Cycle
Default
Cycle
Figure 3-39 — Executive Mode 1 initiation and exit method