Nortel Networks NS4540 manual Appendix a Specifications, Operational, Camera

Appendix A - Specifications

Operational

Manual Pan/ Tilt Speed	0.18~ 180 /sec (8 stages)
Preset Position Pan/ Tilt Speed	1 ~255 /sec
Preset Position Dwell Time	1 ~ 255 /secretary
Recall Preset Position Pan/ Tilt Speed	360 /sec
180 Instant Flip Rotation Speed	360 /sec
Pan Rotation	360 Continuous
Tilt Rotation	-5 ? ~ +95
Pan/ Tilt Accuracy	±0.25
Preset Position	128 preset positions (memory)
Preset Group	4 Group (Corresponding with first 16 presets)
Address Setting	1 ~ 64 ID setting
Camera
Image Device	¼-Inch Interline Transfer CCD
Horizontal & Vertical Pixel	NTSC (811x508) PAL (795x596)
	NTSC (768x494) PAL(752x582)
Scanning System	2:1 Interlace
Horizontal Resolution	17X / 22X : 480 TV Lines
	25X : 570 TV Lines (Monochrome)
	480 TV Lines (Color)
Minimum Illumination	17X:0.3 Lux at F1.4
	22X:0.3 Lux at F1.6
	25X:0.01 Lux at F1.6 (Monochrome)
	0.1 Lux at F1.6 (Color)
S/ N Ration	>50dB (AGC OFF)
Synchronization	Internal
Horizontal & Vertical Synchronization	NTSC (15.734KHz/60Hz)
	PAL (15.625KHz/50Hz)
Auto Gain Control	ON (20dB) / OFF (8dB)
	Low (8dB) / Medium (22dB) / High (36dB)
Back Light Compensation	ON (Background Adjustable) / OFF
Back Light Compensation Zone	17X / 22X:
Sensitivity Up	25X : Top / Button / Left / Right / Center
	25X : On / Off / Auto

YML7** Rev1	NetComm NS4540 Dome Camera User Guide
www.netcomm.com.au	47