User guide

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© 2009 Microsoft Corporation, all rights reserved.
SenseCam v2.3 User Guide Page 17 of 31 10/03/2009
Figure 12: Summary of the meaning of the
green „power‟ and red/green „charging‟
LEDs.
4.4. Interpreting the sounds from
the SenseCam
There are five main audio cues utilised
by a SenseCam to indicate specific
actions either underway or completed:
Rising cadence: The SenseCam is
switching on and will soon be ready for
operation. It is normally followed by a
final “beep” when the unit is fully operational.
Falling cadence: The SenseCam is switching off.
Beep: A manually triggered photo is being taken; it is sounded at the exact time that the
image is taken. A similar beep also occurs when the camera is first ready for use after it has
been switched on; in this case there is no associated photo capture.
Low warble: The battery level in the SenseCam is insufficient for the unit to switch on; the
battery must be charged before the unit can be switched on.
2-tone low-high beep: Do-not-disturb mode will end shortly
4.5. Lens
The lens fitted to the SenseCam is a V-4301.9-2.0FT-IRC from Marshall Electronics. This is
a 119º (diagonal) wide-angle lens with an IR filter in an M12x0.5mm form factor. In theory
this can be replaced by a different specification M12x0.5mm lens. To do this:
1. Loosen the small set (grub) screw which locks it in place using a suitably-sized allen
key (0.9mm between flats).
2. Remove the existing lens by carefully unscrewing it. Be careful not to let the image
sensor get dirty while it is exposed.
3. Fit the replacement lens, being careful not to cross-thread it (this would permanently
damage the plastic thread in the SenseCam case) and being careful not to screw it in so
far that it touches the image sensor (this would permanently damage the image sensor).
4. Manually focus the lens by iteratively taking pictures with the SenseCam, viewing them
on the PC and adjusting how far the lens is screwed in.
poor battery
capacity
Red/green „charging‟ and „do not disturb‟ LED
LED status
Meaning
Off
No charger or PC connected, do-
not-disturb mode off
Solid green
Either a charger or a PC is
connected via USB & battery is
fully charged
Blinking green
Either a charger or a PC is
connected via USB & battery is
being charged
Intermittent red
A PC is connected via USB, and
data is currently being exchanged
between the PC and the SenseCam
Solid red
Do-not-disturb mode active
Blinking red
Do-not-disturb mode ending
shortly