I purchased the unit from a private party and the original owners manual was not available. Having the ability to download it was extremely helpful and clarified operating the equipment immensely. This is a complicated unit and without the manual I would not have been able to maximize it's potential. Thank you.
Being a user of older radios of many kinds, preferring them over more modern rigs, this manual was invaluable in the programming of my two. I now know for certain what the assorted buttons functions are, and am very grateful to have found this excellent site. Many thanks for your assistance, Tony.
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Text excerpt from page 6 (click to view)
Using the Tuner Function
The 505 II incorporates an auto-chromatic tuner for guitars. To use the tuner function, the built-in effects must be bypassed (temporarily turned off) or muted (original sound and effect sound turned off).
Using the Tuner Function
Adjusting the reference pitch of the tuner
The center A reference frequency of the built-in tuner can be fine-adjusted.
Switch to bypass or mute
Press both [
Press one of the [+]/[-] keys. Using the Tuner Function
Bypass:
]/[
] foot switches together
Using the Tuner Function
40
Reference pitch
briefly and release.
bp
Mute:
Press both [ ]/[ ] foot switches together and hold for at least 1 second.
While the reference pitch setting is shown, pressing the [+] or [-] key changes the setting.
The reference pitch range is 35 - 45 (center A = 435 Hz - 445 Hz).
NOTE
Mt
NOTE
When the unit is turned off and on again, the reference pitch setting is reset to 40 (440 Hz).
The bypass or mute condition cannot be activated when the unit is in the edit mode.
Return to play mode
Press one of the [ ]/[ ] foot switches.
Tune the guitar
Play the open string you want to tune, and watch the display.
The left side of the display shows the note which is
The right side of the display shows a symbol that indicates by how much the tuning is off.
Pitch is high
Pitch is correct
Pitch is low
A8
A8
Tune the other strings in the same way.
Indication turns faster the more the pitch is off.
ZOOM 505 II GUITAR