See also:

Turning on/off the Hands-free mode
Turning on/off the Hands-free mode 1) OFF hook switch 2) ON hook switch 3) Talk switch To turn on the Hands-free mode, press the OFF hook switch . To turn off the Hands-free mode, press the ON hoo ...

Certification for the Hands-free system
NOTE ● This device complies with Part 15 of the FCC Rules and with RSS-Gen of IC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interfere ...

Recommended fluid
Refer to “Fluids”. ...