Basic Operation; Turning The Transceiver On And Off; Reception; Transmission - Standard Horizon HX890 Owner's Manual

8. BASIC OPERATION

Before operating the HX890 for the first time, it is recommended that
you fully charge the battery. See section "6.1.4 Battery Charging".
for details.
8.1

TURNING THE TRANSCEIVER ON AND OFF

1. Press and hold the
2. Press and hold the
8.2

RECEPTION

1. Press the SQL key, then press the CH▼ key until noise is heard from the
speaker. This state is known as "squelch OFF".
2. Press the [VOL−]/[VOL+] key until noise or audio from the speaker is at a
comfortable level.
3. Press the SQL key, then press the [CH▲] key until the random noise disap-
pears. This state is known as the "squelch threshold".
4. Press the [CH▼]/[CH▲] key to select the desired chan-
nel. Refer to the channel chart on Page 98 for available
channels.
5. When a signal is received, adjust the volume to the desired
listening level. The "RX" indicator on the display indicates
that communications are being received.
8.3

TRANSMISSION

1. Perform steps 1 through 4 of RECEPTION.
2. Before transmitting, monitor the channel to ensure it is clear.
THIS IS AN FCC REQUIREMENT!
3. Press the PTT (push-to-talk) button. The "TX" indicator on
the LCD is displayed.
4. Speak slowly and clearly into the microphone opening.
5. When the transmission is completed, release the PTT
button.
22
NOTE
key on the left side of the radio to turn the radio ON.
key again to turn the radio OFF.