AVSL 173.287 CT30 - 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 “
b ” 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.
Copyright© 2012. AVSL Group Ltd.