User's Manual

Confidential
P/N HRD0023
Rev. B
Page 8 of 11
1.3. Communicating over the DRC
To communicate using the handset:
1. Lift the handset from the cradle. The handset active icon is shown on the display (2, Table 2).
2. Press the button on the inner side of the handset to speak. The TRANSMIT lamp lights and the
Operator Transmitting Icon (3, Table 2) is displayed.
3. Release the button to listen to connected parties. The Firefighter Transmitting Icon (4, Table 2) is
displayed when one or more person is talking.
4. Adjust the volume of the audio using the VOLUME control.
NOTE: If the VOLUME button is turned off, the System Sound Turned Off icon (6, Table 2) is displayed.
Otherwise, the System Sound Active Icon (1, Table 2) is displayed.
To communicate using the Push-to-Talk function:
1. Press and hold the Push-to-Talk button to communicate with the firefighters. The TRANSMIT lamp
lights and the Operator Transmitting Icon (3, Table 2) is displayed.
2. Release the button to listen to connected parties. The Firefighter Transmitting Icon (4, Table 2) is
displayed when one or more person is talking.
3. Adjust the volume of the audio using the VOLUME control.
NOTE: If the VOLUME button is turned off, the System Sound Turned Off icon (6, Table 2) is displayed.
Otherwise, the System Sound Active Icon (1, Table 2) is displayed.
1.4. Recording the Audio on a USB Flash Drive
To record communications over a removable USB Flash Drive:
1. Insert a USB flash storage device in the USB flash drive bay. The USB flash drive inserted in port icon
(8, table 2) appears.
2. To start recording, use the captive screw to close the flash drive bay door. the recording icon (5,
table 2) appears.
3. To stop recording, use the captive screw to open the flash drive bay door. the recording icon (5,
table 2) disappears, and the USB flash drive not inserted in port icon (7, table 2) appears.
NOTE: The recorded audio can be played back during the DRC’s operation or at a later stage.
1.5. Playing Back Audio from a USB Flash Drive
To play back audio when the system is inactive:
1. Insert the FDNY 2642 key into the key slot and turn to the ON position. The red STANDBY lamp is
extinguished and the green ON lamp lights.
2. Once the main screen is displayed, playback can be activated.
3. Press the ►button to commence playback.
4. Press the ■ button to stop playback.
5. Press the ►►| button to skip ahead 20 seconds.
6. Press the |◄◄ button to skip back 20 seconds.
NOTE: When play back is activated during recording, the system continues to record all audio in the
background.