3-41
CrossPoint 450 Plus and MAV Plus Switchers • Operation
5
.
Press and release the Audio button to save the audio settings and exit the
Audio mode. The Audio button stops blinking.
•
There is one audio volume level setting per output. The audio level setting
is shared by the left and right audio inputs.
•
The audio volume levels are stored in non-volatile memory. When power
is removed and restored, the audio level settings are retained.
•
Exiting Audio mode by pressing the Audio button always returns the I/O
buttons to RGBHV (CrossPoint 450 Plus) or Video (MAV Plus) lit green
and Audio lit red.
•
Pressing the Enter or Preset button also exits Audio mode. Pressing the
Preset button changes to Recall Preset mode.
Reading the displayed volume
This section is a detailed look at reading the output volume display on the
switcher’s front panel. If you do not need to read the exact value of the volume
setting, skip this section.
There are 65 steps of volume attenuation, with 1 dB per step (button push), except
for 0-to-1, which is 35 dB. At maximum attenuation, no input buttons are lit, 98 dB
of attenuation is applied, and the audio output is effectively muted. At no
attenuation, all input buttons are lit and the output volume is equal to the input
signal plus any gain or attenuation that is applied to that specific input using the
input audio level adjustment. See Viewing and adjusting the input audio level (audio
models). Other than the minimum and maximum volume, the switchers indicate
the volume differently, depending on number (12, 16, or 32) of input LEDs. See the
table on the next page to read the volume display for each display scheme.
For each display scheme, the input buttons blink or light sequentially to indicate
the approximate volume of the selected output. Volume is defined as a percentage
of the input audio signal that is applied to the output. From 0% of volume, the first
Esc (
) button push applies 5.5% of the input audio signal. From 5.5% on, each
Esc (
) push applies 1.5% more of the input audio signal to the output:
•
Push Esc (
) button —
5.5% + 1.5% = 7% volume
!
Switchers with 12 and 16 input buttons —
Indicated by the Input 1
button blinking slowly.
!
Switchers with 32 input buttons —
Indicated by the Input 1 button lit
steadily.
•
Push Esc (
) button twice —
7% + 1.5% + 1.5% = 10% volume
!
Switchers with 12 input buttons —
Indicated by the Input 1 button
blinking quickly.
!
Switchers with 16 input buttons —
Indicated by the Input 1 button lit
steadily.
!
Switchers with 32 input buttons —
Indicated by the Input 1 and Input 2
button lit steadily.
• Push Esc (
) button nineteen times
— 10% + (19•1.5%) = 38.5% volume
!
Switchers with 12 input buttons —
Indicated by the Input 1 through 4
buttons lit steadily.
!
Switchers with 16 input buttons —
Indicated by the Input 1 through 5
buttons lit steadily and the Input 6 button blinking.
!
Switchers with 32 input buttons —
Indicated by the Input 1 through
Input 11 buttons lit steadily and the Input 12 button blinking.
im Vertrieb von
CAMBOARD Electronics
www.camboard.de
Tel. 07131 911201
Fax 07131 911203
