Standard Horizon HX460S, Owner'S Manual

Page: 6 / 32

HX460S Page 4
3. CONTROLS AND INDICATORS
NOTE
This section defines each control of the transceiver. For detailed oper-
ating instructions, refer to section 4 of this manual. Refer to Figure 1 for
the location of the following controls, indicators, and connections.
3.1 CONTROLS AND CONNECTIONS
POWER SWITCH/VOLUME CONTROL
Turns the transceiver on and off, and adjusts the volume.
SQUELCH ( SQL
) CONTROL
Sets the point at which random noise on the channel does not activate
the audio circuits but a received signal does. This point is called the
Squelch threshold. Further adjustment of the squelch control will de-
grade the reception of wanted transmissions.
MIC/SP JACK
Accepts the optional CMP460 Speaker/Microphone or VC-24 VOX Head-
set. When this jack is used, the internal speaker is disabled.
Antenna Connector
Connect the supplied CAT460 flexible antenna here.
PUSH-TO-TALK ( PTT
) SWITCH
Activates transmission.
LAMP KEY
Turns the lamp (for LCD and Keypad back-lighting) on and off.
Hold down this key to lock the displayed channel functions (except the
H/L , PTT , and LAMP keys) so that they are not accidentally changed.
The key lock symbol “ ” will appear, to indicate that the functions are
locked. Hold down until the key lock symbol “ ” disappears to unlock
the radio.
UP (
p
) KEY
Selects the desired channel. Each press increases the channel number.
When held down, the channels increase continuously.