Fire Com 110, Installation & Operation Manual, Page: 13 / 20

11
TROUBLESHOOTING
The radio transmitted audio is weak • Confirm that you have the headset microphone close to your
or mouth, within 1/8 inch is recommended.
The radio keys but no audio is • Adjust the transmit audio setting –see Settings.
transmitted • Confirm that you have a radio transmit headset with a red PTT
or button.
You can hear the radio, but radio • Check the MR cable between the radio and the interface unit.
users cannot hear you Make sure the screws on the 9-pin D-sub connector are tight.
See
Appendix A for wire connection details.
• Check the headset plug. Make sure it is clean for the best electrical
contact.
• Check wire connections at the headset module.
• Check wire connections at the interface unit.
• Check the CA cable and RJ-12 connector installation.
Tip: Determine if the problem is with the headset or the system by
plugging a different headset (if available) into the headset module and
retesting.
Tip: Substituting suspect components in the system may be helpful in
tracking down problems.
Radio receive audio is weak • Check the radio volume.
or • Adjust the receive audio setting. See the Settings section in this
You can’t hear the radio, but radio manual.
users can hear you • Verify that receive audio is present by listening to the radio’s speaker.
• Check the headset volume control setting.
• Check the headset plug. Make sure it is clean for the best electrical
contact.
• Check wire connections at the headset module.
• Check wire connections at the interface unit.
• Check the CA cable and RJ-12 connector installation.
• Check the MR cable between the radio and the interface unit.
Make sure the screws on the 9-pin D-sub connector are tight.
See
Appendix A for wire connection details.
Tip: Determine if the problem is with the headset or the system by
plugging a different headset (if available) into the headset module
and retesting.
Tip: Substituting suspect components in the system may be helpful in
tracking down problems.
The radio doesn’t key • Confirm that you have a radio transmit headset with a red PTT
button.
• Check the CA cable and RJ-12 connector installation.
• Check the MR cable between the radio and the interface unit.
Make sure the screws on the 9-pin D-sub connector are tight.
See
Appendix A for wire connection details.
Tip: Determine if the problem is with the headset or the system by
plugging a different headset (if available) into the headset module
and retesting.
Tip: Substituting suspect components in the system may be helpful in
tracking down problems.
If a problem persists in a headset or intercom unit, contact Firecom for a Return Merchandise Authorization
(RMA) number. Return the headset or intercom for replacement or repair.
Contact: Firecom Corporation
7340 SW Durham Road
Portland, OR 97224 USA
800-527-0555 OR 503-684-6647