User Manual

CT30

GUITAR/CHROMATIC TUNER

Item ref: 173.287

User Manual

Getting started

 Install the supplied 2 x AAA batteries into the rear compartment, negative end first

 Place acoustic instruments near the internal MIC for tuning or plug in electric instruments via 6.3mm jack

 An output jack is provided for linking the output to an amplifier or effect pedals for “in-line” connection

Operation

 Press the ON/OFF button for 2 seconds to switch on/off

 Press ▲▼ buttons to adjust A4 reference frequency if required (440Hz is standard)

 Pressing GUITAR/BASS/CHROMATIC will step through the tuning modes

 When a note is detected, it will be represented on the virtual needle display and 3 LED indicators

 Needle to the left with the red “

” LED lit indicates a “flat” pitch

 Needle to the right with the red “#” LED lit indicates a “sharp” pitch

 Needle in the centre and green LED indicates “in-tune”

Specifications

Power supply

3Vdc (2 x AAA batteries)

Input

Internal mic or 6.3mm jack

Tuning modes

Guitar, Bass and Chromatic (auto)

Tuning range

A0 (27.5Hz) - A6 (1760Hz)

Tuning stability

±1 cent

A4 frequency

435 - 445Hz

Dimensions

95 x 58 x 15mm

Weight

56g (no battery)

 If the unit stops responding or the display “freezes”, remove the batteries and then replace them again

 Avoid damage through impact, heat and keep away from liquids or direct sunlight

 If the LEDs become dim, replace the batteries (2 x alkaline type AAA recommended)

Errors and omissions excepted.