3M Peltor ComTac VII MT14H41A-300NA, User Manual

Page: 16 / 20

9
10. TROUBLESHOOTING
Problem Solution
The ComTac™ VII will
not power on.
Replace the batteries if necessary. Refer to “8.2. To replace the batteries”.
Make sure that the batteries are placed correctly in the battery compartment of the ComTac™
VII. Refer to “8.2. To replace the batteries”.
Make sure that the battery cover is fully closed.
Environmental sounds
are difficult to hear.
Make sure the headset is powered on.
Increase or decrease the volume setting to the level that maximizes hearing.
Will not send and/or
receive radio communi-
cations.
For transmit issues, check the positioning of the communication microphone. Refer to “7.3.
Communication microphone”.
Make sure that the radio is on. Ensure radio volume is turned up to an audible level.
Make sure that all cables are connected securely and to the correct port on the SCU-300.
Ensure the correct PTT button on the SCU-300 or RCU-300 is being pressed when transmitting.
Will not send and/or
receive NIB communi-
cations.
Ensure you are pressing and holding the NIB button on the headset when transmitting. Refer to
the manual for “3M™ PELTOR™ Tactical Modular Audio System”.
Make sure that the NIB button is pressed down during the complete message.
Make sure NIB is not in the “NIB OFF” Mode.
Make sure to use the correct NIB frequency for your country. Refer to “9.7. NIB frequency”.
Ensure all headsets are set to the correct frequency.
The listener may be too far from the person transmitting. Refer to the manual for
“3M™ PELTOR™ Tactical Modular Audio System”.
Too many people transmitting within the range of approximately 150 m/165 yd.
Refer to “8.6. To use the NIB function”.
EN
EN