Operating Temperature: 32 to 122 deg F (0 to 50 C)
Display: Large 4 digit LCD, 5 levels of backlighting with external backlight on/off control
Display Data: Depth Shallow Alarm Deep Alarm Keel Offset Feet, Meters, Fathoms
Ranges: 1.2 to 1000+ feet (in tenths below 20.0) 0.4 to 365+ meters (in tenths below 20.0) 0.2 to 167+ fathoms (in tenths below 20.0) Data Ouput: NMEA 0183 serial 4800 BAUD, $SDDPT Programmable as an external alarm output
Alarms: Built-in 85 dB audible alarm. Settable shallow, deep and anchor drag alarms.