Transmission - Standard Horizon HX500E Owner's Manual

Hold down the [H/L] key for about one second to
unlock the keys. The "
from the display.

5.3 TRANSMISSION

1. Perform steps 1 through 5 of the RECEPTION discussion above.
2. Before transmitting, monitor the channel and make sure it is clear.
3. For communications over short distances on the Marine band, press the
[H/L] key until "
(approximately 1 watt).
Transmitting on 1 watt prolongs battery life. Low power (1 watt)
should be selected whenever possible.
4. If using Low power is not effective, select Medium
power (2.5 watts) or High power (5 watts) by press-
ing the [H/L] key until "
" " (High power) is displayed.
5. When receiving a signal, wait until the incoming signal stops before trans-
mitting. The transceiver cannot transmit and receive simultaneously.
6. Press the PTT (Push-To-Talk) switch to transmit. The "
displayed during transmission.
7. Speak slowly and clearly into the microphone. Hold the microphone about
1/2 to 1 inch away from your mouth.
8. When the transmission is finished, release the PTT switch.
For an overview of VHF Marine band operating procedures refer to section 3.
5.3.1 TRANSMIT TIME - OUT TIMER (TOT)
While the PTT switch is held down, transmission time is limited to 5 minutes.
This prevents prolonged (unintentional) transmissions. About 10 seconds
before automatic transmitter shutdown, a warning beep sounds from the
speaker. The transceiver automatically switches to the receiving mode, even
if the PTT switch is held down. Before transmitting again, the PTT switch
must first be released, and then pressed again. This Time-Out-Timer (TOT)
prevents a continuous transmission that would result from an accidentally
stuck PTT switch.
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" symbol will disappear
" is displayed on the LCD. This indicates Low power
Note
" (Medium power) or
" indicator is
HX500E