21
Microphone on/off
The microphone can be turned on and off by pressing the on/off
key briefly .
A green light will flash in the LED and the following symbol will
blink in the status bar:
Keypad lock
The keypad can be locked and unlocked by holding down the
right and left arrow keys simultaneously . Any attempt to activate
a locked key will result in the following message:
The hearing care professional
can program the keypad to lock
automatically if 1½ minutes have
elapsed without any key press .
+
Key lock is active.
Hold down to unlock.