User's Manual

47
Appendix A - Technical Specifications
LOWRANCE LVR-880US & LVR-880EU
IDT TO SUPPLY LATEST TECH SPEC
A.1 GENERAL
Frequency Range:
Transmit 156.025 to 157.425 MHz
Receive 156.050 to 162.425 MHz
Oscillate Mode PLL
Modulation FM (16KOG3E) DSC(16K0G2B)
Channel Spacing 25 KHz
Frequency Stability ±10 PPM
Standard Operation Temperature LVR-880EU -15 to + 55°C
Standard Operation Temperature LVR-880US -20 to + 50°C
Normal Working Voltage +13.6 V DC
Low battery detect Voltage 10.5V
Digital Selectivity Calling (DSC) SC101 for LVR-880US
Class D (EN301-025) for LVR-880EU
Audio power of speaker mike 80 dBA @ 1 m
A.2 PHYSICAL
LowranceNet: NMEA2000
Comm. Port 4800 Baud NMEA0183
Compass Safe Distance: 0.50 m (1.5')
A.3 RECEIVER
12dB SINAD Sensitivity: 0.25uV (distance)/2.5uV (local) - model dependent
20dB SINAD Sensitivity: 0.35uV (distance)/3.5uV (local) - model dependent
Intermodulation Rejection Ratio ≥70 dB
Adjacent Channel Selectivity ≥70 dB
Spurio us Response ≥68 dB
Residual Noise Level >40 dB unsquelched
Audio power of 60 mm speaker 94 dBA @ 1 m
Audio Output Power at THD 10% ≥2 W
Audio Response +1 to -3dB of 6 dB/octave from 300Hz to 3kHZ
Current Drain At:
Max Audio Power ≤1.5 A
Stand-By ≤0.25 A
A.4 TRANSMITTER
RF Power:
Hi 23 W
Lo 0.8 W
Maximum Deviation ± 5 KHz
Modulation Distortion ±3KHz ≤7%
Audio Response at 1KHz Dev. +1 to -3dB of 6dB/octave from 300Hz to 3kHZ
Transmitter Protection: Open/short circuit of antenna