4
WARNING
1. Pay attention to the polarity when replacing battery. Remove the
battery if the product will not be used in a long period.
2. Must keep the product out of reach from children. This product
contains small parts and removable battery that may cause
choking and physical damage if ingested.
3. Do not use product at extreme high or subzero temperatures, and
do not expose to direct sunlight.
Quick Guide
1. Press / MODE button for 2 seconds to turn on/off the product.
2. Press / MODE button briefly to set mode: Chromatic
Guitar
Bass
Violin
Ukulele.
3. Press A4 button briefly to set A4: 430 ~ 450 Hz.
4. When the note is sharp, the “needle” will move to the right side, and the LCD will change to orange.
When the note is flat, the “needle” will move to the left side, and the LCD will change to orange.
When the note is in tune, the LCD will change to green.
FCC Warning
Warning:
Changes or modifications to this unit not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTE:
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
