User Manual for SEIKAKU models including: ER-68Plus, ER-68MB, ER-68Plus 45W Wide Ranging Portfolio For Pro Wireless Microphone, ER-68Plus, 45W Wide Ranging Portfolio For Pro Wireless Microphone, Ranging Portfolio For Pro Wireless Microphone, Wireless Microphone, Microphone
18 Apr 2025 — Set the slide switch to the middle and the alarm will stop. ○ External power supply. 1. When power is supplied from the car's cigarette lighter, please insert ...
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DocumentDocumentER-68Plus/68MB User Manual 5A Fuse User Manual Output Power :Max 45W Please read the instruction manual carefully before operation. Microphone operation 1. Insert the DM-68 female connector into the male connector of the megaphone, and then tighten the nut. 2. Turn on the Power switch of DM-68, and the green led of the megaphone is on at the same time. The black circle volume control button is on right side. 3. During speaking, please keep your mouth close to the raised stripes on the upper cover of DM-68. 4. After using, turn off the power switch of DM-68. Then turn the volume to minimum. As shown below: Power switch Siren 1. Set the slide switch to the SIREN position, and the alarm sound will be output from the speaker. 2. Set the slide switch to the middle and the alarm will stop. External power supply 1. When power is supplied from the car's cigarette lighter, please insert the cigarette lighter tip into the car's cigarette lighter socket. 2. The cigarette lighter is equipped with a 5A fuse. When the fuse burns out, it is necessary to troubleshoot the fault and then replace the fuse with the same specification. Connection diagram Mounting bracket (optional) (YS-68): Tripod (optional) External power input socket (DC 12V) Car battery cable (optional) (ER-68CB) Headphone output Cassette radio AUX IN MIC IN Car cigarette lighter socket Battery installation 1. As shown in Figure 1, push the battery cover in the direction marked on the upper cover. 2. Take out the battery case and insert 10pcs D LR20 batteries according to the polarity marked on the battery case. After the battery installation is complete, please check again to ensure the battery correct polarity. (Figure 2) 3. Place the installed battery case into the middle base of the megaphone, and then fasten the upper cover. (Figure 3) Figure 1 Figure 2 Figure 3 Features: 1. This megaphone is a 350mm large horn speaker with a 30W rated output power. 2. It can be connected to an external 12V DC power supply. 3. LED lights are for signal indication. 4. AUX can be connected to other accessory products at will. 5. It can be paired with switch microphone. 6. It can support alarm sounds, MP3, Bluetooth, and AUX. 7. Can be installed with a tripod. Precautions: 1. Please use qualified LR20 battery or 12V DC car power supply. 2. The battery should be 12V negative pole grounded. If it is 15V or 12V DC (positive pole grounded), it cannot be used. 3. When the microphone is not used for a long time, please remove the battery to avoid product damaged caused by leakage of battery fluid. 4. Please do not use toluene or banana water for cleaning. 5. Please do not use the megaphone under the hot sun for a long time. Operating Instructions: 1. The panel operation instructions are as follows: Figure 1 Power BT/MP3 alarm switch Power POWER MP3 / MIC 2.Megaphone operation instructions are as follow: Shoulder pad Figure 1 Figure 2 Microphone hook Battery cover 3.back cover operation instructions are as followsj Figure 2 External power socket (DC 12V) Microphone input socket ( MIC in) 4.DM-68 operating instructions: Power switch Volume control button Electrical specifications Model ER-68Plus ER-68MB Power supply type D Battery 10pcs 15V D Battery 10pcs 15V Power consumption 45W(AUX IN) 45W(AUX IN) Bandwidth Distortion 550HZ-4.5KHZ(+/-3dB) 550HZ-4.5KHZ(+/-3dB) < 3% < 3% Output power (RMS) 19W(4) 19W(4) Input sensitivity S/N ratio 1K/-35dB Ú30dB 1K/-35dB Ú30dB Transmission distance Volume 0.8~2.2Km 350mm(diameter)* 505mm(length) 0.8~2.2Km 350mm(diameter)* 505mm(length) weight 3.3kg 3.3kg ER-68 MB Media play operation SIREN MP3/ MIC Function selection switch MP3/ AUX + REC Aux Input AUX 3.5mm stereo input " " , When plugged into the 3.5mm Jack, Aux Line input applied, BT/MP3 play will pause and the LED goes out. MP3 operation 1. Plug a USB stick into the USB jack " "and ensure related music or program source saved in the USB stick can support following format MP3WMAWAVEALAC and etc. The version of USB 2.0 &3.0 can use FAT 32 system. MP3/ 2. Press the button " " on the front panel to switch into MP3 or Bluetooth mode, That when the red lights means it enters MP3 mode and automatically apply the random play mode. MP3/ -During songs play, press and hold the button " " for 3 seconds to enter single looping mode MP3/ -Then press and hold the button " " for 3 seconds again, it will exit current single looping mode and enter random play mode. 3. Press the button " " on front panel to return to the previous song; Press and hold the button " decrease current volume. " for 3 seconds to 4. Press the button " " on front panel to play the next song; Press and hold the button " current volume. " for 3 seconds to increase 5. Press the button " " on front panel to pause playing and REC press it again to continue playing. Press and hold the button " " for 3 seconds until the red REC blinks, It means the recording starts. Then press and hold the button " " again for 3 seconds until REC the solid red lights. It means the recording is end and begins to play the recording file. Bluetooth operation MP3/ 1. Press the button " "on front panel to switch into MP3 or Bluetooth mode, That if the green blinks means it enters Bluetooth mode based on device-searching status, please search the name "megaphone-BT" in the device to be connected and make a connection. Once connected successfully, The solid green will light. Then it can play normally with the device's player. MP3/ 2. During songs play, press and hold the button " "for 3 seconds to enter the single looping mode. 3. Press the button " "on front panel to return to play the previous song, press and hold the button " decrease current volume. "for 3 seconds to 4. Press the button " "on front panel to return to play the previous song, press and hold the button " increase current volume. "for 3 seconds to 5. Press the button " "on front panel to pause playing and then REC press it again to continue playing. -Press and hold the button " "for 3 seconds until the red REC blinks. It means the recording starts. -Then press the button " "for 3 seconds until the solid red REC lights, It means the recording is end and return to BT play status. - If recording under the BT mode, the recording file only can play under the MP3 mode. NF06117-1.1