Standard Horizon HX270S Handheld Tranciever Operating Instructions

HX270SPage 9
3.5 BATTERY SAFETY
Battery packs for your transceiver contain Ni-MH batteries. This type of bat-
tery stores a charge powerful enough to be dangerous if misused or abused,
especially when removed from the transceiver. Please observe the follow-
ing precautions:
DO NOT SHORT BATTERY PACK TERMINALS
Shorting the terminals that power to the transceiver can cause sparks, se-
vere overheating, burns, and battery cell damage. If the short is of sufficient
duration, it is possible to melt battery...

HX270SPage 10
HX270S
VOL
Figure 3
Controls and Connectors
4. CONTROLS AND INDICATORS
NOTE
This section defines each control of the transceiver. For detailed oper-
ating instructions, refer to section 5 of this manual. Refer to Figure 3 for
the location of the following controls, indicators, and connections. 

HX270SPage 11
4.1 CONTROLS AND CONNECTIONS
Antenna Connector
The supplied CAT460 flexible antenna is attached here.
POWER SWITCH/VOLUME CONTROL
Turns the transceiver on and off, and adjusts the volume.
PUSH-TO-TALK (
PTT)
 SWITCH
Activates transmission.
SQUELCH (
SQL)
 SWITCH
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...

HX270SPage 12
WX KEY
Immediately recalls the last-used NOAA Weather Channel from any chan-
nel location. Recalls the previously- selected working channel when the
WX key is pressed again.
Secondary use: When the 16/9 key is held and the WX key is pressed,
the radio will change modes between the USA, International, and Cana-
dian channel bands.
H/L KEY
Toggles the transmitter power level between High (5 Watts), Medium
(2.5 Watts), and Low (1 Watt) of output. Does not operate on “low power
only” and...

HX270SPage 13
4.2 INDICATORS
Figure 4
Indicators
Channel Display
The operating channel is shown on the LCD in both the transmission and
reception modes.
A Indicator
Signifies ship-to-ship channels in USA or Canadian mode (whose counter-
part in the International mode is a public correspondence (marine operator)
channel).
USA/INTL/CAN Indicator
Denotes the “band” of operation for the particular channel. “USA” indicates
the USA band; “CAN” indicates the Canadian band; and “INTL” indicates
the International...

HX270SPage 14
WX Indicator
A NOAA weather channel is selected.
MEM Indicator
The channel is in the transceiver’s “Scan Memory.”
Battery Indicator
When the battery charge is almost depleted, a “” icon will appear on the
display. When this icon appears, it is recommended that you charge the
battery soon.
No IconEnough battery power
Lower battery power
Nearing depletion
 (Blinking) Prepare to charge the battery
NOTE: The battery indicator should be used only as a guide in charging the
FNB-83 battery.
KEY...

HX270SPage 15
Installing the Quick Draw Belt Clip
1. Connect the hanger to the rear of the HX270S, with the notch point-
ing directly up, using the supplied screw (Figure 6-a).
Use only the screw included
with the clip to mount the clip
to the back of the transceiver!
2. Clip the Quick Draw Belt Clip to
your belt (Figure 6-b).
3. To install the HX270S into the
Quick Draw Belt Clip, align the
hanger with the Quick Draw Belt
Clip and slide the HX270S into
its slot until a click is heard.
4. To remove the...

HX270SPage 16
5.2 RECEPTION
1. Turn the POWER/VOLUME CONTROL knob clockwise to turn the trans-
ceiver on.
2. Press the SQL key, then press the [
]
 key until the
SQL level is 00.
3. Turn up the POWER/VOLUME CONTROL knob until
the noise or audio from the speaker is at a comfort-
able level.
4. Select a channel that has no signal being received (no one is transmit-
ting on the channel) and where only noise is heard.
5. Press the SQL key, then press the [

]
 key and stop immediately after
the noise...

HX270SPage 17
5.3 TRANSMISSION
NOTE
Never key the transceiver without an antenna connected, as this may
cause damage to the transceiver.
1. Perform steps 1 through 7 of the 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 H/L key until “
” is
displayed on the LCD. This indicates Low power (approximately 1 Watt).
NOTE
Transmitting on 1 Watt prolongs battery life. Low power (1...

HX270SPage 18
5.5 USA, CANADIAN, AND INTERNATIONAL BANDS
1. To change the operating band (channel set) of the transceiver, hold down
the 16/9 key and press the WX key. The band will change from USA, to
International, and to Canadian with each press.
2. “USA” appears on the LCD for the USA band, “INTL”
appears for the International band, and “CAN” ap-
pears for the Canadian band.
5.6 NOAA WEATHER CHANNELS
1. To receive a NOAA weather channel, press the WX key. The transceiver
changes to the weather...