Signal Inputs
Analog audio: 4 channels (2 stereo pairs)

Video/AES reference: Composite video/AES/EBU (BNC)

Signal Outputs
Unbalanced digital audio: 2x AES/EBU (BNC)

Balanced digital audio: 2x AES/EBU (25-way D-type)

Standards: AES3 - 1992

Control Interface
GPI: 1x closing contact I/O interface (BNC)

Card Edge Controls
NONE

Card Edge Indicators
Reference Present

CPU running/power: One green LED, flashing = OK

Audio Controls
Set line up level: +20 to -20 dBu in 1 dB steps

Set headroom: 4 to 24 dB in 1 dB steps

Set audio detector thresholds: High/low levels, silence, overload, time delay

Audio input delay: Up to 1.5s additional delay in 1 ms steps

Input side control proc audio gain and polarity: Independent Gain, Mute, Polarity control over input channels. +18 dB to -18 dB in 0.1 dB steps

Channel routing: Output channels routed from analog pairs 1 and 2, test tone and silence
Output side control proc gain and polarity: Independent Gain, Mute, and Polarity control over output channels. +18 dB to -18 dB in 0.1 dB steps

Global delay offset: Up to +1.5 s in 1 ms steps, common to all processed audio

Variable audio delay control source: Up to 0.5 s from RollTrack + GPI

Tone frequency, amplitude and ident:  2-channel tone generator. 100 Hz to 15 kHz in 100 Hz steps

Tone Setup
Frequency: 100 Hz to 15 kHz in 100 Hz steps

Channel ident: 0.5s interruption every 2s

Other Controls
Preset unit: Returns settings to factory defaults

User memories: Name, clear, save and read 8 user memories

GPI/O setup: May be attached to any memory function/polarity

Reference select: Free Run, AES/EBU or Video PAL/NTSC

Logging
Reference State: Std (525, 625, AES)/WARN (Loss, 525, 625, AES), Error AES, None

Processed Audio Channels State (BUS_L/R): OK/WARN (Silent, Quite, High, Overload)

RollTrack Message Status: Send and Received OK/ Message Not Acknowledged

RollTrack Input
Delay: RollTrack + fixed

RollTrack Output

Delay: Current audio delay

Reference state: Ref Lost, Ref Present, Ref error (error: AES reference sample rate not 48 kHz)

GPI: High, Low, Inactive

Analog Audio Input (Balanced)
Analog input impedance: 10 kΩ

Frequency response: 20 Hz to 20 kHz (±0.1 dB)

Distortion (THD+N): Better than -95 dB, 1 kHz@ - 1 dBFS

Dynamic range: >106 dB

Max input level: +24 dBu

Digital Audio Output (Balanced)
Connector/format: 25-way D-type

Level: 3 Vp-p typical into 110Ω

Digital Audio Output (Unbalanced)
Connector/format: BNC

Level: 1 Vp-p typical into 75Ω

Reference
Reference return loss: Better than -35 dB to 5.8 MHz

Reference input level: 1 Vp-p ± 3 dB

Analog reference input standard: 48 kHz AES/EBU, 625/525 line

Module power consumption:

• 6.5 W max (A Frames)
• 5 PR (B Frames)