Timeguard NSLB90 User Manual
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Designed in the U.K. 67-058-358 (Iss. 2)
Timeguard Limited.
Victory Park, 400 Edgware Road,
London NW2 6ND
Sales Office: 020 8452 1112
or email [email protected]
or email [email protected]
4. Operation and Testing
SETTING UP FOR AUTOMATIC OPERATION
The adjustment controls on the underside of the unit
(diagram B) should be set as follows.
The TIME control determines how long the lamp remains
illuminated after activation. The minimum time (fully
anti-clockwise) is approx. 1 hour, whilst the maximum time
(fully clockwise) is approx. 12 hours. Set the control to the
desired setting between these limits.
The DUSK (LUX) control determines the level of darkness
required for the unit to start operating.
Wait until the ambient light level reaches the level at which
you like the light to turn on. Set the DUSK control knob fully
anti-clockwise then move the DUSK control a small step at
a time clockwise pausing for some time between steps until
the light turns on. Leave the control set at this point.
At this position, the unit should become operative at
approximately the same level of darkness each evening.
Observe the operation of the unit. If the unit is starting to
operate too early (ie. when it is quite light), adjust the control
slightly anti-clockwise. If the unit starts to operate too late
(ie. only when it is very dark), adjust the control slightly
clockwise. Continue to adjust until the unit operates as desired.