Transmission; Transmit Time-Out Timer ( Tot ) - Standard Horizon HX290 Owner's Manual

6.4 TRANSMISSION

1. Perform "6.3 RECEPTION" discussion above.
2. Before transmitting, monitor the channel and make sure it is clear.
THIS IS AN FCC REQUIREMENT!
3. For communications over short distances, press the
key to select the Low power (1 watt: "
pears).
Note: Transmitting on Low power prolongs battery life.
Low power should be selected whenever possible.
4. If using Low power is not effective, select High power
(5 watts: "
5. When receiving a signal, wait until the incoming signal
stops before transmitting. The transceiver cannot transmit and receive si-
multaneously.
6. Press and hold the PTT ( Push-To-Talk:
transmit. During transmission, the "
pear on the display.
7. Position your mouth about 1/2 to 1 inch (1.2 ~ 2.5 cm)
away from the mic hole. Speak slowly and clearly into the microphone.
8. When the transmission is finished, release the PTT (
6.4.1 TRANSMIT TIME - OUT TIMER ( TOT )
While the PTT (
utes. This prevents prolonged (unintentional) transmissions. About 10 sec-
onds before automatic transmitter shutdown, a warning beep will sound from
the speaker. The transceiver automatically switches to the receiving mode,
even if the PTT (
( ) switch must first be released. This Time-Out-Timer (TOT) prevents a con-
tinuous transmission that would result from an accidentally stuck PTT (
switch.
The PTT (
automatically switches to the receiving mode by the TOT feature.
HX290
" icon disappears) by pressing the
) switch is held down, transmission time is limited to 5 min-
) switch is held down. Before transmitting again, the PTT
) switch is disabled for 10 seconds after the transceiver
" icon ap-
key.
) switch to
" indicator will ap-
) switch.
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