Larson Davis 831C-FFT, Reference Manual

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SoundAdvisor Model 831C A-4
Display
:
• TFT full color LCD, 240 by 320 dot matrix
• White backlight with adjustable brightness and on–time
• Touch screen to assist in data navigation and measurement control
• Multiple color themes for various lighting conditions
Display update rate : ≤ 1 s
Lock
: User interface may be locked and unlocked
Languages : Czech, English, French, German, Italian, Norwegian, Portuguese,
Russian, Spanish, Swedish, Turkish
A.1.6 Input Specifications
Connector : Latching 5-pin circular connector, mates to PRM831 or EXCxxx cables
Preamplifier Supply
: 36 volt at 5mA available to power preamplifier
Input Impedance : ≥ 100k
Ω
|| 300 pF
Direct Input
: Absolute maximum of ±35 V, DC bias readout 0 to +35 V
Gain Control : Selectable 0 or +20 dB gain
Full Scale Input 0 dB Gain
: ±14.14 Vpeak AC
Full Scale Input +20 dB Gain : ±1.414 Vpeak AC
ICP Input (use ADP074)
: Constant current of 4 mA, maximum voltage of 28 V
Sample Rate : 51,200 sps
A.1.7 USB Client Interface Specifications
Type
: USB 2.0 High–Speed Mini–B connector
Power Draw : ≤ 500mA from PC, USB Hub, or PSA029
Supported Hosts:
•
Computer with SLM Utility-G4
• Ethernet Dock 831INT-ET
• NoiseTutor
• Computer with custom software using SWW-G4-SDK or SWW-G4-WIN
A.1.8 USB Host Interface Specifications
Type : USB 2.0 High-Speed, standard A connector
Supported Devices
:
• USB Flash Memory Drive, up to 32GB FAT-32 Format, PN 831-M
• Ethernet Adapter, 1G/100M/10M, PN DVX012
• Ethernet Adapter & USB Hub, 1G/100M/10M, PN DVX013
• WiFi Wireless Adapter, Edimax EW-7811Un, or D-Link DWA-121, PN DVX014
(WPA/WPA2 encryption)