Denjoy DY400-4 User Manual Download Page 2

SECTION I. DESCRIPTION 

Thank you for purchasing our DY400-4 LED curing light!  

 

LED Curing Light DY400-4 is a perfect combination of the 

highly-efficient LED tube, the micro-control electric circuit and 
the rechargeable lithium battery. It is used for polymerize 
composite material. Because of high-efficiency

outstanding 

function, convenient operation, and longevity, it becomes the 
latest top curing light in the global market. 

 

SECTION II. FEATURES 
 

1. Latest LED technology with longevity   

Continuous operating time:   Avg. 40 min with fully charged 

battery 

The life of lamp: charging for 10,000 times   
Light Intensity: >1000 Mw/cm2 (tested by meter made by Kerr. 

Kerr meter is said to be most accurate in testing light intensity!   

2. Beep sound design   

Beep at every 5 seconds to remind the user of remaining 

curing time! 

 

3. Cord/Cordless interchangeable   

Cordless or cord use are both available! 
When running out of battery, the unit can be still used 

directly with power charger.   

4. Curing Program 

 

Curing Program 1: Full power till end     

Curing Program 2: Soft start in first 5S to full power till end                     

Curing Program 3: Soft start in first 5S to half power till end 

5. Curing Time   

Curing time available:    5/10/15/20/25/30/35/40S   

 

 ※ 

Except for full power grogram, the curing time for other 

programs should be started from 10 seconds. User should follow 
the original instructions of the composite when curing.   

 

6. Battery Sign 

 

 When 

flashed on the panel, the battery needs to be 

charged at least 2.5 hours.   

Directly connecting the charger with the handpiece can 

also charge the battery.   

When full battery sign 

on the LCD panel appear and 

stop flashing, this indicates that the battery is fully charged. 

Summary of Contents for DY400-4

Page 1: ......

Page 2: ...ign Beep at every 5 seconds to remind the user of remaining curing time 3 Cord Cordless interchangeable Cordless or cord use are both available When running out of battery the unit can be still used d...

Page 3: ...long time It can guarantee the stability of performance to avoid over heat Not many manufacturers make the unit with radiating fan inside 10 Build in meter on the front of charging base to check the...

Page 4: ...ing Program 6 Charger Port 7 curing Switch 8 Charging interface 9 Charger Port 10 Light Intensity Indicator 11 Status Indicator 12 Test Hole 13 Charger Connector Standard Accessories Handpiece 1 PC Ch...

Page 5: ...g it shows that the battery is fully charged And the light indicator of charger turns into green accordingly 10 2 Install the eye protection cover Directly insert it onto the front of the handpiece It...

Page 6: ...charger with the handpiece for continuous use 12 6 Turn off the power When the unit turns into sleeping mode automatically it will shut down all the function except the battery sign beep sound sign an...

Page 7: ...at the light emitted from this curing unit Do not use this device without suitable 14 protective eye ware for the operator assistant and patient Suitable protective eye ware blocks all energy below 55...

Page 8: ...be turned on and LCD screen does not work Solution 1 Possible cause low battery Charge with power charger at once for a short time then turn on the unit again to check 2 Possible cause power button 1...

Page 9: ...and confronts to the current products specification This instrument is guaranteed for its designated use against original defects in materials and workmanship for a period of 12 months from date of pu...

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