IP Series Cameras Installation Manual
10
FOCUS ADJUSTMENT
Turn the back focus adjuster scre on the top of the camera clock ise or anticlock ise to
obtain focus. When the focus is sharp, turn the adjustment scre 2 or 3 turns anticlock ise.
The picture ill lose sharpness. Turn the scre clock ise until focus is once again obtained.
If the point of best focus is passed, repeat the procedure. The last turn of the back focus
adjustment screw must always be in a clockwise direction. Do not over turn or force
the back focus mechanism.
ixed Lenses
Set the lens focus to infinity and vie an image greater than 2 metres a ay. Focus the
image using the back-focus scre . Set the lens focus as required.
Manual Iris Lenses
Open the iris fully and set the lens focus to infinity. Vie an image greater than 2 metres
a ay. Focus the image using the back-focus scre . Set the lens focus and iris as required.
Video Drive and Direct Drive Auto-Iris Lenses
Fully open the iris by covering the lens ith a suitable neutral density (ND) filter. Set the
lens focus to infinity. Vie an image greater than 2 metres a ay. Focus the image using the
back-focus scre . Remove the ND filter and set the lens focus as required.
Zoom Lenses
Set the lens focus to infinity and fully open the iris by covering the lens ith a suitable
neutral density (ND) filter. Zoom out to the idest field of vision and vie a distant object.
Adjust the back focus scre until the object is in focus. Next, zoom fully in and adjust the
focus of the lens until the object is again focused. Repeat these steps until the full zoom
range may be vie ed ith the minimum loss of focus.
AUDIO CONNECTIONS
IP series cameras include a mono-channel audio input and output.
The circuitry enables connection of audio equipment to the input channel. This input channel
is pre-programmed to G711 or G728 compression and has a band idth of 0.3 3.6 kHz.
The output channel gives a 1V pk-pk output for connection to other audio equipment or the
direct drive of a small loudspeaker.
The audio line in and out connections should be made to the 15- ay D-type connector on
the rear of the camera. Pins 5, 10 and 15 should be connected as follo s:
Note
The audio line in and out signals are at line level. Connections to PA systems or microphones
may need additional equipment. Please contact your distributor for technical assistance.
Audio Connection
5. Audio In
10. Co on
15. Audio Out
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