| Navigator Touch Screen | 
| DIMENSIONS (W - H - D) | 108 x 86 x 15 mm | 
| DISPLAY TYPE | 3.5" Colour lCD | 
| DISPLAY RESOLUTION | 320 x 240 | 
| TOUCH SCREEN | Touch sensitive surface | 
| COMPATIBILITY | D8XD / D16XD | 
| OPERATION VOLTAGE | 12VDC supplied by the control panel | 
| DATA | 2 wire proprietary Ness data bus | 
| Navigator Control Panel D8XD | 
| BOX DIMENSIONS (W - H - D) | 235 x 300 x 90 mm | 
| POWER INPUT | 17VAC or 20VDC | 
| AUX POWER OUTPUT | 13.8v DC @ 800mA | 
| QUIESCENT CURRENT DRAW | 80mA with 1 keypad | 
| RECHARGEABLE BATTERY | 12 volt 7.0 Amp/hour Sealed lead Acid | 
| BATTERY CHARGING CURRENT | 350mA maximum, current limited | 
| DYNAMIC BATTERY TEST | Backup battery is tested under load, hourly and on arming | 
| FUSES | 2 Amp auto resetting  / Siren output & Reset output. 500mA auto resetting / 12 volt auxiliary outputs.
 200 mA auto resetting / Strobe output
 | 
| ZONE OUTPUTS | 8 zone inputs. 2 x 24hr tamper inputs | 
| END OF LINE RESISTOR | Choice of 12 programmable values including N/C. Default 2200 Ohms (2.2k)
 | 
| MAXIMUM KEYPADS | 3 x Navigator Touch Keypads max. | 
| INTEGRATED RADIO OPTIONS | Multi-pin connector for the optional Ness Radio Interface. Supports up to 55 Radio keys . Up to 8 radio zones | 
| SERIAL HEADER | Serial data port for direct connect programming using NessCommsTM software. Also 2 way serial data | 
| INTEGRATED ACCESS CONTROL | Multi-pin connector the optional Weigand Interface. Supports up to 3 Ness proximity access card readers | 
| SIREN OUTPUT | On board siren driver with timed output. Maximum 3 x 8 Ohm horn speakers | 
| STROBE OUTPUT | 12v DC timed output. Maximum 2 x 1 Watt strobe lights | 
| RESET OUTPUT | 12v DC timed output. Max. 3 x 12v piezo screamers | 
| EQUIPMENT POWER OUTPUT | 13.8v DC output for powering detectors and other equipment. Maximum 500mA | 
| AUX READER | Multi-pin connector provides outputs Aux1, Aux2, Aux3, Aux4, 12v DC |