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To prevent accidental setting changes,
you can activate the automatic keypad
lock. If any key is pressed while the
keypad is locked, the red LED light on
the FineTuner will blink.
Temporarily Unlocking the Keypad
You can make a selection even when
the keypad is locked by pressing
any given key twice. The rst click
temporarily unlocks the keypad, and
the second click sends the command.
If no key is pressed for 10 seconds,
the keypad will lock again.
Any FineTuner key can be deactivated by your
clinician to prevent accidental setting changes.
FineTuner Keypad Lock
Activating the Keypad Lock
1. Press and hold the
key for
5 seconds, or until the red and
amber lights blink alternately.
2. Press the
key. When the keypad
has been locked successfully, the
amber lights will blink.
Deactivating the Keypad Lock
1. Press the
key twice. The second
time, press and hold for at least
5 seconds, or until the red and
amber lights blink alternately.
2. Press the
key. The amber lights
will blink to indicate that your
FineTuner is unlocked.