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The GJD Emerald is a dual area security lighting controller 

which enables external areas to be accurately monitored.

It automatically switches up to 3000 Watts of resistive 

lighting at night for a pre-set period and can be manually 

overridden when required. The controller incorporates an 

audible warning tone and features six detector indicators 

which illuminate when activated by detection day and night. 

OPERATING INSTRUCTIONS

When a detector is activated day or night the relevant 

detector indicator flickers and will remain on for the length 

of the timer setting. During darkness the lighting will be 

switched on automatically while the detector is receiving 

activation signals, and will automatically turn off after the 

pre-set timer period. 

The ‘Zone 1’  and ‘Zone 2’ green indicator have to be 

selected for automatically controlled lighting on detection 

during darkness.

ZONE 1

ZONE 1

ZONE 1

Green indicator is ‘on’. This mode 

must be selected for automatic 

lighting during darkness.

Indicator ‘off’. Lighting and tone 

are switch off for this zone.

Green indicator flashing. A 

detector has activated the 

lighting.

Manually selecting this yellow 

indicator will turn the lighting 

‘on’. Turning the indicator ‘off’ will 

return to automatic mode.

Indicator ‘off’.

Yellow indicator flashing. A 

detection has automatically 

activated the lighting. 

Red indicator ‘on’. Audible 

warning tone selected. Zone 1 

and/or Zone 2 indicator to be 

selected to function.

Indicator ‘off’ Audible warning 

tone is switched off.

ADJUSTMENT TO FACTORY SETTINGS

When connecting the unit to the electrical supply or when 

the supply is interrupted, the indicators will flash for one 

minute whilst the system settles. Pressing any button 

during this time will start normal operation.

Internal adjustments panel 

The factory settings are shown.

AUX - Auxiliary Output (50mA maximum)

OFF - 

Internal sounder and auxiliary output disabled

STD -

Internal sounder and auxiliary output active and will 

emit a warning tone on each detection  when the tone 

button is selected.

10-30 Seconds - 

The auxiliary output time after last 

detection. The internal sounder is as the STD

LIGHT ON TIME IN MINUTES

1 to 24 minutes -

 The length of the time after last detection 

during darkness. The red detector indicators will stay on for 

this time after the last detection day and night. 

Pulse Count / Walk Test -

 Select the symbol to assist in 

location/alignment of the detector beams during daylight 

installations. When the detector beams are activated the 

external lights will stay on for a period of 6 seconds. 

1,2 or 3 - 

After completing the ‘walk test’ function, set 

the pulse count to the required level. The pulse count is 

the number of detector beams that have to be crossed to 

trigger the system.

1. 

will give fast response

2. 

gives better immunity with good response

3. 

gives highest immunity to false activation in poor 

environments but is less responsive.

OFF

STD

10

20

30

1

3

5

10

24

1

2

3

AUX

TIME SECS

LIGHT ON 

TIME MINS

PULSE 

COUNT

Emerald 3000 MK3

GJD010 Lighting Controller

Detect

.

Illuminate

.

Deter

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