Operating Instructions

Turning Power On and Off

■To turn on the main unit power supply, main unit the MAIN POWER switch () of the main unit to ON and then press the SUB POWER button or the POWER button of the remote controller.

■To turn off the main unit power supply, press the SUB POWER button of the main unit or the POWER button of the remote controller, then set the MAIN POWER switch () to OFF.

•For normal operations, leave the main power switch () set to ON and use the sub power switch or the Power button of the remote controller to turn the power on and off.

Indicating lamp	Power status	Operating

Off	Off	When the main power switch	is set to


		OFF.
		OFF.

		When the main power switch	is set to
		When the main power switch	is set to
	Off	ON and Power button of the remote
Lights red	Off	controller or the sub power button on the
Lights red	(standby)	controller or the sub power button on the
	(standby)	control panel located at the front part of
		control panel located at the front part of
		the bottom plate is off.
		When the main power switch	is set to
		When the main power switch	is set to
Lights or blinks		ON and Power button of the remote
Lights or blinks	On	controller or the sub power button on the
green	On	controller or the sub power button on the
green		control panel located at the front part of
		control panel located at the front part of
		the bottom plate is on.

ENGLISH

•When the indicating lamp blinks in green or the message “POWER SAVE” or “OUT OF FREQUENCY” appears on the screen, there is something unusual about the status of reception. See “Symptoms That Seemingly Appear to be Failures.” 23

Main power switch

SUB-POWERPOWER

Main unit	Remote
	controller

TIPS

•Avoid repeatedly turning the monitor on and off at short time intervals.

•Failures might result from such operation.

•Turn off the main power switch () before leaving the monitor out of use for an extended period of time.

•If a power failure occurs while the main unit is running, it would be powered on upon recovery from the failure. Turn off the unit main power switch before leaving the main unit.

CMP4120HDUS specifications

The Hitachi Koki USA CMP4120HDUS is an advanced power tool designed to meet the needs of professionals and DIY enthusiasts alike. Focusing on durability, performance, and ease of use, this model packs a range of features that enhances its functionality across various applications.

At the heart of the CMP4120HDUS is a robust 4.0 Amp motor, delivering impressive power and torque to tackle tough tasks. Whether drilling through wood, metal, or masonry, the motor ensures consistent performance, making it a reliable choice for any job site. Additionally, the variable speed control allows users to adjust the RPM to match the specific requirements of the task, providing versatility and precision.

One of the standout features of the CMP4120HDUS is its lightweight design, which significantly reduces user fatigue during prolonged use. Weighing in at just a fraction of heavy-duty counterparts, it allows for easy maneuverability, making it an excellent choice for overhead and extended work applications. Ergonomically designed handles with rubber grips further enhance comfort, improving control and reducing the likelihood of slippage.

The tool is engineered with an adjustable speed switch, allowing for speeds between 0 to 3,000 RPM, ensuring optimum performance for different materials. Coupled with its reversible function, users can easily switch between drilling and driving purposes, adding to its versatility in various tasks.

Another notable characteristic of the CMP4120HDUS is its durable construction. Built with high-quality materials, it is designed to withstand the rigors of regular use, ensuring longevity and reliability. The tool also features an integrated LED light, illuminating the workspace for improved visibility in dimly lit conditions, enhancing user safety and accuracy.

In terms of technology, the CMP4120HDUS incorporates advanced thermal protection, preventing overheating during extended use. This feature ensures that the tool maintains its performance without compromising safety. Furthermore, it comes with a quick-release chuck for effortless bit changes, enhancing efficiency and saving valuable time on the job.

Overall, the Hitachi Koki USA CMP4120HDUS is a versatile, reliable, and user-friendly power tool. With its powerful motor, adjustable speed settings, lightweight design, and robust construction, it stands out as an essential addition to any toolbox, delivering exceptional performance for a wide range of drilling and driving applications.