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※ Be sure to read this manual carefully to ensure proper usage.
※ Some functions can be changed without notifying users in order to
improve product performance.
※ This manual is written based on LK-350-12/24VT of Qrontech Co., Ltd
and may include technical or editorial errors and/or omissions.
※ When using blackboxes of other companies that have low voltage
cut-off function, disable low voltage cut-off function or set to lowest
cut-off voltage so as to make efficient use of power safety device.
※ Make sure ACC wire is connected to ACC power supply of the vehicle;
if it is used together with B+ wire (continuous power voltage), continuous
power may not be cut off. Make sure to separate ACC power supply.
(Qrontech takes no responsibility for malfunctions arising from wire
connection errors.)
LK-350-12/24VT
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Summary of Contents for Lukas LK-350-12/24VT
- Page 1 ※ Some functions can be changed without notifying users in order to improve product performance. ※ This manual is written based on LK-350-12/24VT of Qrontech Co., Ltd and may include technical or editorial errors and/or omissions. ※ When using blackboxes of other companies that have low voltage cut-off function, disable low voltage cut-off function or set to lowest cut-off voltage so as to make efficient use of power safety device.
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Page 2: Table Of Contents
Table of Contents 1. Precautions for Use ………………………………………… 3 2. Product Package …………………………………………… 4 3. Product Characteristics …………………………………… 5 4. Parts Names & Functions ………………………………… 6 5. How To Use ………………………………………………… 8 6. How To Install ……………………………………………… 13 7. Product Specification ………………………………………... -
Page 3: Precautions For Use
1. Precautions for Use This product went through strict quality management and inspection processes. However, misuse of electrical products could cause fire or human casualties. Observe precautions written before use. ※ Check operation status of the product regularly. ※ Set input voltage according to season and battery status. (e.g., Spring, Summer - 12.0V/24.0V , Winter - 12.4V/24.8V) ※... -
Page 4: Product Package
※ Some functions can be changed without notifying users in order to improve product performance. ※ This manual is written based on LK-350-12/24VT of Qrontech Co., Ltd and may include technical or editorial errors and/or omissions. ※ When using blackboxes of other companies that have low voltage cut-off function, disable low voltage cut-off function or set to lowest cut-off voltage so as to make efficient use of power safety device. -
Page 5: Product Characteristics
- After connecting the low voltage cut-off device, power supply/automatic low voltage cut-off/timer functions can be used even when the engine is off. - ACC function added to LK-350-12/24VT enables normal supply of output voltage even when input voltage(continuous power voltage) fluctuates and drops below cut-off voltage. -
Page 6: Parts Names & Functions
4. Parts Names & Functions Fuse(250V/3A) (Battery Power) Digital Segment Display Set Mode Power Switch Mode Select Enter 1-hole Cigar Socket [ Type C Product Structure ] 6 ... User’s Manual... - Page 7 - Low voltage cut-off device is for users who use the device by directly connecting power supply to the vehicle battery and prevents battery discharge in advance by cutting off power when battery voltage is lowered below the pre-set voltage. - Connect the blackbox and the vehicle battery and use the device when continuous power supply is needed (e.g., parking monitoring).
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Page 8: How To Use
5. How To Use - 12VT Number of Clicks Operation Mode Display Input Voltage Enter Display Output Voltage Slide S/W 1 Long key Mode Enter Menu Mode Volt Mode (5sec) 12.1 12.2 12.3 12.4 VoLt Enter Select 11.6 Mode 11.7 11.8 11.9 1 Long key... - Page 9 Display Operation Contents Mode Display Voltage Display Input Voltage Enter Display Voltage Display Output Voltage Slide S/W C 12.0 Display standard cut-off setting at 12V Volt Mode 12.1 Set cut-off at input voltage of 12.1V 12.2 Set cut-off at input voltage of 12.2V 12.3 Set cut-off at input voltage of 12.3V 12.4...
- Page 10 5. How To Use - 24VT Number of Clicks Operation Mode Display Input Voltage Enter Display Output Voltage Slide S/W 1 Long key Mode Enter Menu Mode Volt Mode (5sec) 24.1 24.2 24.3 24.4 24.5 24.6 24.7 VoLt 24.8 Enter Select 23.2 Mode...
- Page 11 ※ Voltage setting at less than 11.8V is not recommended. Display Operation Contents Mode Display Voltage Display Input Voltage Enter Display Voltage Display Output Voltage Slide S/W c 24.0 Display standard cut-off setting at 12V Volt Mode c 24.1 Set cut-off at input voltage of 24.1V c 24.2 Set cut-off at input voltage of 24.2V c 24.3...
- Page 12 Switch LK-350-12/24VT Remarks Status Status Output Acc On Power On (On) It may differ depending Acc Off Off(On) on cut-off voltage Acc On Power Off Acc Off - When power switch is off for battery protection, Voltage of ACC terminal Off → no voltage output Voltage of ACC terminal On →...
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Page 13: How To Install
6. How To Install 1. Locate the fuse box and map. Identify fuses have power/no power when engine’s off. 2. Identify a fuse that has no power (cigarette lighter, audio etc.) to connect with the red ACC wire and insert it back to fuse box. ※... - Page 14 4. Connect the black GND terminal to the grounding parts(metal parts) and check whether the LED segment works properly with the engine on to ensure normal operation of the device. 5. Fix the device on the vehicle using adhesive tape and connect it to the blackbox.
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Page 15: Product Specification
7. Product Specification Product Name Low Voltage Cut-off Device Model Name LK-350-12/24VT Input Voltage 11V ~ 15V Output Current Less than 1A Operating Temperatures -20℃ ~ 70℃ Leakage Current Less than 100µA - ±5% errors may occur due to component errors. - Page 16 VER. 03 Low Voltage Cut-off Device LK-350-12/24VT Customers Service Information - Address: 583 Yangcheon-ro #A/1201 ,Gangseo-gu, Seoul S Korea 157779 - Website: www.lukashd.com - Inquiry: lukas@qrontech.com - For more information and customer service please contact seller or manufacturer.
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