Specifications

310HD, 320HD and 420HD IP Phones
39.1.6 Speaker Test
Upon successful completion of the Headset test (in the previous section), perform the
Speaker test. This test verifies the correct functioning of the speakers, which includes the
following:
Speaker microphone (transmitter) for speaking (recording)
Speaker receiver for listening (playing)
To test the speaker:
1. After about five seconds after your recorded voice is played in the Headset test
(in the previous section), the LCD screen displays the message ”Speaker/Mic
test. Any key to start”.
Figure 39-10: Speaker Test
2. Press any key; the LCD screen displays the ”Recording” message.
Figure 39-11: Speaker Recording Test
3. Speak into the phone’s speaker microphone; after about five seconds, the LCD
screen displays the message ”Playing”, and the voice that was recorded when
you spoke into the speaker’s microphone is now played from the speaker’s
receiver.
Figure 39-12: Speaker Playing Test
4. Continue with the MAC Address and Serial Number Verification test in Section
39.1.7 on page 241.
Administrator's Manual 240 Document #: LTRT-09910