Brand: HITACHI
Category: Other
Document Type: Manual
Language: EN
Manual for CP-BX301WN/CP-BW301WN
Uploaded: Nov. 21, 2025, 6:05 p.m.
- Powering On: Connect the power cord, ensure the POWER indicator is steady orange, then press the STANDBY/ON button. The POWER indicator will blink green and then turn steady green.
- Selecting Input: Press the INPUT button on the projector or remote to cycle through input ports (COMPUTER IN1 > COMPUTER IN2 > VIDEO IN > LAN > HDMI 2 > USB TYPE A > HDMI 1 > USB TYPE B).
- Adjusting Volume: Use the VOLUME +/- buttons on the remote. A dialog appears to aid adjustment.
- Muting Screen/Audio: Press the AV MUTE button on the remote to blank the screen and mute audio. Press again to restore.
- Aspect Ratio: Press the ASPECT button on the remote to cycle through aspect ratio modes (NORMAL, 4:3, 16:9, etc.) depending on the signal.
- Keystone Correction: Press the KEYSTONE button, then use the directional buttons to adjust the distortion. Press KEYSTONE again to finish.
- Magnify: Press MAGNIFY ON to zoom in. Use directional buttons to adjust the area. Press MAGNIFY OFF to exit.
- Freeze Screen: Press the FREEZE button to temporarily freeze the image. Press again to resume.
- Using Menus: Press the MENU button to access Picture, Image, Input, Setup, Audio, Screen, Option, Network, Security, or Easy Menus. Use cursor buttons to navigate and ENTER to select.
- PC-LESS Presentation: Insert USB storage media into the USB TYPE A port and select it as the input source to display images directly from the USB device.
- USB Display (Windows/Mac): Connect the projector to a computer via USB TYPE B port. The projector acts as a CD-ROM, launching a viewer application for displaying computer images.
- Replacing Lamp: Turn off projector, unplug, and allow to cool for 45 mins. Loosen lamp cover screw, slide and lift cover. Loosen lamp screws, remove lamp, insert new lamp, and re-secure. Reset lamp time in SETUP menu.
- Cleaning Air Filter: Turn off projector, unplug, and allow to cool. Remove filter cover, slide out filter unit, clean filters with vacuum. Reassemble and reset filter time in EASY MENU.
Troubleshooting and error codes
| Phenomenon | Cases not involving a machine defect | Reference page |
| Power does not come on. | The electrical power cord is not plugged in. Correctly connect the power cord. | 14 |
| The main power source has been interrupted during operation such as a power outage (blackout), etc. Please disconnect the power plug from the power outlet, and allow the projector to cool down at least 10 minutes, then turn the power on again. | 14, 20 | |
| Either there is no lamp and/or lamp cover, or either of these has not been properly fixed. Please turn the power off and disconnect the power plug from the power outlet, and allow the projector to cool down at least 45 minutes. After the projector has sufficiently cooled down, please make confirmation of the attachment state of the lamp and lamp cover, and then turn the power on again. | 96 | |
| Neither sounds nor pictures are outputted. | The signal cables are not correctly connected. Correctly connect the connection cables. | 10~ 15 |
| Signal source does not correctly work. Correctly set up the signal source device by referring to the manual of the source device. | – | |
| The input changeover settings are mismatched. Select the input signal, and correct the settings. | 23 | |
| The BLANK function for pictures and the MUTE function for sounds are working. AV MUTE may be active. Refer to the item “Sound does not come out” and “No pictures are displayed” on the next page to turn off the MUTE and BLANK functions. | 22 | |
| Sound does not come out. | The signal cables are not correctly connected. Correctly connect the audio cables. | 10 ~ 15 |
| The MUTE function is working. Restore the sound pressing VOLUME +/- button on the remote control. | 22 | |
| The volume is adjusted to an extremely low level. Adjust the volume to a higher level using the menu function or the remote control. | 22, 50, 51 | |
| The AUDIO SOURCE/SPEAKER setting is not correct. Correctly set the AUDIO SOURCE/SPEAKER in AUDIO menu. | 50 | |
| The Sound button (♪) or checkbox is disabled. If you have selected USB TYPE A, turn the sound on from the Thumbnail menu. If you have selected USB TYPE B, put a check mark on the Sound checkbox in the Options window of “LiveViewer Lite for USB”. If you have selected LAN, put a check mark on the Sound checkbox in the Option menu of “LiveViewer”. | 82, 91, 95 | |
| No pictures are displayed. | The signal cables are not correctly connected. Correctly connect the connection cables. | 10 ~ 15 |
| The brightness is adjusted to an extremely low level. Adjust BRIGHTNESS to a higher level using the menu function. | 34 | |
| The computer cannot detect the projector as a plug and-play monitor. Make sure that the computer can detect a plug-and-play monitor using another plug-and-play monitor. | 11 | |
| The BLANK screen is displayed. Press AV MUTE button on the remote control. | 22 | |
| The projector does not recognize the USB storage device inserted into USB TYPE A port. Before removing the USB storage device, be sure to use the REMOVE USB function on the thumbnail screen, which appears when the USB TYPE A port is selected as the input source. | 14 | |
| "Waiting for connection." remains displayed even though the USB TYPE B port is selected. Remove the USB cable and reconnect after a while. | 11 | |
| The remote control is not operating. | The projector is not receiving a signal from the remote control. (frequency) See "REMOTE FREQ." under the SERVICE item in the OPTION menu and Changing the frequency of remote control signal. Set either of the following settings. 1. Set 1. NORMAL to ON and 2. HIGH to OFF. On the remote control, set the signal frequency mode to NORMAL. 2. Set 2. HIGH to ON and 1. NORMAL to OFF. On the remote control, set the signal frequency mode to HIGH. | 18,66 |