Manual

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Manual-1

OPERATORS MANUAL AVA 22d

AUDIO VIDEO ALIGNMENT DELAY

QUICK START

Look around to make sure no one catches you reading this. You’re aware this is the manual aren’t you? Wow! Most

people only get about this far in a manual, but there are a few important things you should know about the AVA 22d. So

please keep reading. These few points are summarized in this Cliff Note version of the manual.

The first time you power the AVA 22d it is in BYPASS, and functions like an expensive wire. This is useful for initial

troubleshooting and allows for convenient verification of signal flow. Punching the BYPASS buttons and extinguishing

their LEDs will activate the Delays.

ADJUSTING SENSITIVITY—First apply a signal with nominal input level and adjust the SENSITIVITY controls so

the red CLIP LEDs just light, then back off so the LEDs do not turn on, even with high signal peaks.

SETTING DELAY—Now that the input signal is calibrated, select LINK mode (LINK LED on) for stereo operation,

or turn off LINK mode for dual mono operation. Adjust the up/down buttons until the LED display shows the desired

Delay.

STORING DELAY—Press the STORE button (the STORE LED turns off). This stores the current Delay values into

each Channel’s current Memory (A or B). The current Memory is indicated by the lit MEMORY LED for each Channel.

Both Channel’s current Delay values are stored with each press of the STORE button. The broadcast Mode (NTSC or PAL/

SECAM) is also stored with the Delay value.

RECALLING DELAY—To recall a stored Memory, press RECALL. Each press of this button alternately recalls

stored Memories (A then B then A…).

Never connect anything except an approved Rane power supply to the thing that looks like a telephone jack on the

rear of the AVA 22d. This is an AC input and requires special attention if you do not have a power supply exactly like the

one originally packed with your unit. See the full explanation of the power supply requirements elsewhere in this manual.

600 ohm users see page Manual-4.

WEAR PARTS: This product contains no wear parts.

Summary of content (6 pages)

PAGE 1
OPERATORS MANUAL AVA 22d AUDIO VIDEO ALIGNMENT DELAY QUICK START Look around to make sure no one catches you reading this. You’re aware this is the manual aren’t you? Wow! Most people only get about this far in a manual, but there are a few important things you should know about the AVA 22d. So please keep reading. These few points are summarized in this Cliff Note version of the manual. The first time you power the AVA 22d it is in BYPASS, and functions like an expensive wire.
PAGE 2
FRONT PANEL DESCRIPTION SIGNAL indicators: These green LEDs illuminate approximately 42 dB before actual clipping. SENSITIVITY controls: These rotary controls vary incoming signal levels to the A to D converter. The output signal is also adjusted so the AVA 22d always passes signal with unity gain into 600 ohm loads. (See operating instructions.) CLIP indicators: These red LED indicators illuminate 4 dB before clipping at the A to D converter input.
PAGE 3
REAR PANEL DESCRIPTION XLR INPUT/OUTPUTS: Nothing new here, balanced Ins and Outs. If you can tolerate unbalanced characteristics (like hum), you can also wire the AVA 22d in an unbalanced configuration. See RaneNote 110, “Sound System Interconnection” located elsewhere in this manual. Front panel lockout switch: Enables the Front Panel Lockout mode. In this mode all front panel controls, with the exception of the RECALL buttons, are disabled.
PAGE 4
AVA 22d CONNECTION When connecting the AVA 22d to other components in your system for the first time, leave the power supply for last. This gives you a chance to make mistakes and correct them before any damage is done to your fragile speakers, headphones, ears, or brains. The AVA 22d passes audio while it is unpowered by virtue of its fail safe bypass relays (when the AVA 22d functions as a wire). Turn the system volume down before plugging in the AVA 22d’s power.
PAGE 5
Frame-to-Millisecond Table AVA 22 Displayed Frame Value NTSC Delay Time in Milliseconds PAL/SECAM Delay Time in Milliseconds 0.0 0.00 0.00 0.5 16.68 20.00 1.0 33.37 40.00 1.5 50.05 60.00 2.0 66.73 80.00 2.5 83.42 100.00 3.0. 100.10 120.00 3.5 116.78 140.00 4.0 133.47 160.00 4.5 150.15 180.00 5.0 166.83 200.00 5.5 183.52 220.00 6.0 200.20 240.00 6.5 216.88 260.00 7.0 233.57 280.00 7.5 250.25 300.00 8.0 266.93 320.00 8.5 283.62 340.00 9 300.3 360.
PAGE 6
OPERATING INSTRUCTIONS Once you've properly connected the AVA 22d to the system, turn on the power. When the AVA 22d is first powered, the revision level of the software is displayed. THE BASICS The AVA 22d is a two Channel device. Each Channel has a current Delay value that is always active/heard. You can only edit the current Delay values. Additionally each Channel has two nonvolatile Memories, A and B. The current Delay values can be stored in one of these two Memories.