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9. Status LEDs
This cluster of four LEDs indicate the following functions:
CLIP - indicates either A/D, D/A, or DSP clipping.
SYNC - indicates DSP syncing to an internal clock, AES/EBU, CobraNet, or Wordclock input.
RS-232 - indicates PC connection via RS-232.
LINK/ACT - indicates connection to and/or activity on an Ethernet network.
10. Output Adjustment/Mute Knobs 1-8
The Output Trim/Mute knobs provide Trim Gain adjustment of each output. Pressing the knob
mutes that output.
11. Output Meters
The DriveRack 4800 provides eight independent eight segment output headroom meters that range from SIG
(-48dB) to 0dB.
1.3 - Front Panel (4820)
7
1
4
5
2
3
6
8
1. RTA Input Jack
This balanced XLR input is used for the connection of an RTA microphone, which may be used with
the Auto EQ function in the Wizard. 48V phantom power is always engaged on this connector.
2. Serial PC Connection (DB-9)
This DB-9 connection is used to communicate to the System Architect control software and uses
RS-232 protocol. This connection requires a Null Modem cable and one is included with the unit.
3. Alpha Numeric Display
This display shows the ID# of the DriveRack 4820 unit. It can also show various error codes.
4. Input Meters
The DriveRack 4820 provides four independent eight segment input headroom meters that range from
SIG (-48dB) to 0dB. These meters monitor the signal directly following the input section.
5. Status LEDs
This cluster of four LEDs indicate the following functions:
Getting Started
5
DriveRack
®
4800/4820 User Manual
Getting Started
DriveRack
®