Dear User:
Thank you for purchasing the iStroboSoft™ tuning app for your mobile device. We
hope you enjoy this software and its feature-set as we are constantly expanding its
capability and stability. With 65+ years manufacturing precision strobe tuning
equipment, we’re happy to have you on-board as a Peterson user!
- Peterson Strobe Tuners
Main Screen Description
Strobe Display
When the strobe speed slows, this means the note is getting closer to your target
pitch. The object is to lock all the bands together and stop the strobe display from
moving. A slight "warbling" is acceptable and should not be considered an "out of
tune" indicator.
Note/Octave Window
iStroboSoft is a chromatic tuner capable of reading between Eb0 (MIDI note 15) to
Eb8 (MIDI note 111). This is the window where the note being tuned along with its
corresponding octave will be displayed.
Auto/Manual Note
iStroboSoft can automatically detect the target note in AUTO mode but if you prefer
to set the tuner into manual mode you can do so by clicking the AUTO icon on the
display. The mode will switch to MAN and allow you to select the note/octave of your
choice. After enabling MAN mode, touch and drag the note/octave value to your
desired setting. Drag to the left to go to the bottom of the scale and to the right to
go to the top of the scale.
Cents Display
In layman's terms, the equally tempered Western musical scale consists of twelve
notes called semitones. Each semitone is separated from the others by intervals. The
distance from one semitone to its immediate neighbor is one-hundred cents.
iStroboSoft is not only capable of measuring to the nearest whole cent but it can
measure down to 1/10 of a cent or 1/1000th of a semitone, offering far superior
tuning accuracy over traditional LED and needle tuners.
Note: You can toggle the cents view to show whole cents or tenth cent
readings.
Hertz/MIDI Note Display
If you prefer to view the Hertz value for a specific note you can tap the cents value
(default view) to toggle the display from cents to Hertz or Hertz to MIDI. Note: When
a value cannot be measured due to being out of range or low signal threshold, '......'
will be displayed. This is normal.
Click the "i" > TUNER SETTINGS > SHOW WHOLE CENTS
Sharp/Flat Indicators
These indicators will illuminate when the note is so far out of tune it is difficult to
determine whether the note is sharp or flat. As you come closer to being in tune
(usually less than +/- 10 cents), they will turn off and allow you to use the strobe
display as your guide.
Full Screen and Flip Mode (iPad Excluded)
The strobe display can be maximized for easy viewing at a greater distance by
"opening" your fingers across the screen. The full size strobe mode will only display
the strobe window, note/octave window and cents display. Options will not be
accessible in full screen mode.
To go back to normal view, "pinch" your fingers across the screen.
Regardless of full screen or normal view, the strobe display will "flip" to the
orientation of your device allowing you to place the device in a horizontal or
"landscape" manner for greater positioning possibilities in your tuning area.
As you turn or flip your device, the strobe screen will follow and re-orient itself for
proper viewing.
Noise Filter (iOS Only)
Use the noise filter (located on the main screen) when utilizing an external mic or
clip-on tuning device to help reduce the effect of extraneous environmental noise
during tuning. The filter will take 3-5 seconds to run. During this time, it is important
that no noise be made as the filter will attenuate the captured frequencies and your
tuning measurements may be incorrect as a result. Noise includes any instrument
handling noise or sounds being picked up by an external microphone.
The noise filter is generally not required for devices with a line output level such as
electric guitars or electric bass.
Engaging the noise filter will also reduce mains hum when tuning with your device
plugged in or on a dock (during charging).
Note: The noise filter will be engaged every time you open iStroboSoft if it is
closed with this feature enabled
Input Boost (iOS Only)
The input boost will raise all input frequencies by +24dB. Use it when utilizing a clipon tuning device that offers low output or when tuning acoustic instruments with a
microphone and having difficulty obtaining a solid reading.
Enabling the boost will facilitate measurements that would normally pose a difficulty
to measure accurately.
The input boost is generally not required for devices with a line output level such as
electric guitars or electric bass.
Note: The input boost feature will be engaged every time you open
iStroboSoft if it is closed with this feature enabled
Important: Watch the input LED meter (main page) to make sure the input signal is
.
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