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Press the OK key on Instrument Upgrades to instantly apply any upgrades purchased.
Enter your supplied upgrade code using the Up, Down Arrow keys to adjust the value.
Use the OK key or the Left, Right Arrow keys to move forward or back.
Press the OK key to enter to register the code.
You can upgrade your dBAir sound level meter remotely from your office in
a matter of minutes. Call us on +44 (0) 1723 584250.
Your instrument serial number is required, please have this ready.
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