CRS SOUND ENHANCEMENT AMPLIFIER HEARING AID MACHINE SOUND IN INDIA

Operation Open the battery compartment, put into the battery. Insert the earplug to the hearing aid, then put the earplug in your ear, and move it up and down to insure it on the right position. Turn on the hearing aid, and then you can adjust the volume to get clear sound. Battery compartment on/off switch: Close the battery compartment completely, it begins to work, open the battery compartment, it will stop working. On/Off switch: Turn on or turn off the hearing aid. If you feel the whistling sound, please make sure if you have put the earplug, or if you have use a appropriate size earplug. Please take out the battery or turn off the hearing aid when you are not using the hearing aid. (Note: Be sure the hearing aid is in {Off} Position or Volume is in the minimum volume, otherwise the instant sound will make you uncomfortable.) Maintenance The hearing aid doesn’t work, Check as follows: Hearing is power off. The battery is in correct direction Run out of battery Sound is very light: Volume is too low, please increase the volume. Battery is low, please replace the battery.