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3-5SW RGB and YUV A Switchers • Operation
2. Press and hold the Audio Conf/Save button until the Conf/
Save LED begins to blink, then release the Conf/Save button.
The +dB and –dB LEDs display the polarity (+ or –). The lit
+dB LED indicates a positive (gain) level. The lit –dB LED
indicates a negative (attenuation) level. Both LEDs lit
indicate 0 dB.
On the SW4 RGBHV A and SW6 RGBHV A only, the input 1 through 4
LEDs display the approximate audio level for the selected input. Each input
LED indicates a range of 6 dB when lit (Input 1 LED off = 0 dB to 5 dB,
Input 1 LED lit = 6 dB to 11 dB, Input 2 LED lit = 12 dB to 17 dB, and so on).
3. Press and release the
and buttons to decrease and increase the audio
level by 1 dB or press and hold the buttons to decrease and increase the level
by 3 dB per second. The and LEDs flash to indicate each 1 dB level
change.
Each time you press and release the or button, wait for the or
LED to flash before pushing the button again. Pressing the button early may
not decrement or increment the audio level.
4. Press and hold the Audio Conf/Save button until the Conf/Save LED turns
off to save the gain value in memory and exit the audio display and
adjustment mode.
1. There is one audio level setting per input. The setting is shared by the left
and right audio inputs.
2. The audio level settings are stored in non-volatile memory. When power
is removed and restored, the audio level settings are retained.
Example — Adjusting the audio level
The switcher must be in normal (manual) mode.
1. Press and release an input button to select an input. The associated input
LED lights.
2. Press and hold the Audio Conf/Save button until the Audio Conf/Save LED
starts blinking.
3. On the SW4 RGBHV A and SW 6 RGBHV A, the input 1 through 4 LEDs
display the gain or attenuation value. In figure 3-4, the LED readout shows a
range of +6 dB to +11 dB.
6
5
4
32
1
-dB
+dB
Indicates +6dB to +11dB range
LED key: = off, = on
Figure 3-4 — Example: Viewing the audio level
CONF/SAVE
B
Press
and hold.
Conf/Save blinks.
Release the button.