Installing the Singlewire InformaCast Talk-Back Speaker
Device Configuration
Operations Guide
931260A
CyberData Corporation
32
2.2.4 Confirm the IP Address and Test the Audio
2.2.4.1 Reset Test Function Management (RTFM) Button
When the speaker is operational and linked to the network, use the Reset Test Function
Management (RTFM) button (
) on the speaker face to announce and confirm the
speaker’s IP Address and test that the audio is working.
Note
Using the RTFM button will lock the digital volume level to
4
and disable the analog volume
control dial.
Figure 2-10. RTFM Button
To announce a speaker’s current IP address, press and release the RTFM button within a five
second window.
Note
The speaker will use DHCP to obtain the new IP address (DHCP-assigned address or
default to 10.10.10.10 if a DHCP server is not present).
Note
Pressing and holding the RTFM button for longer than five seconds will restore the speaker
to the factory default settings.
RTFM button