Radio Shack HTX-420 owner manual 548+%#0&42#+4, 52%++%#6+105, 4566+06*64#05%+84

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If your transceiver is not performing as it should, take it to your local RadioShack store for assistance. Modifying or tampering with the transceiver’s internal components can cause a malfunction and might invalidate its warranty and void your FCC authorization to operate it.

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If the transceiver’s display locks up or the transceiver does not work properly after you turn it on, you might need to reset it. .

To reset the transceiver, turn it off then hold down F+6 and turn it on again. All the display indicators appear to confirm the reset operation. Release F+6.

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This procedure clears all the information you have programmed into the transceiver. Before you reset the transceiver, try turning it off then on again to see if it begins working properly.

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GENERAL
Frequency:
2-Meter	TX: 144–148 MHz, RX: 137–174 MHz
70-cm	TX: 438–450 MHz, RX: 420–512 MHz
Air Band	108.000-136.9875 MHz
Weather Band	CH1–CH7
Frequency Generation	PLL Synthesizer
Frequency Stability	± 10 ppm
Operating Temperature	14° to 140° F (–10° to 60° C)
Operating Voltage	DC 5 V to 13.8 V
Modulation	F3E
Impedance	50 ohm
Dimension (HWD)	41/2 × 2 2/5 × 1 1/5 (122 × 61 × 31 mm)
Weight (w/rechargeable battery)	11.46 oz (325g)
RECEIVER
Circuit Type	Dual Conversion, Superheterodyne
IF Frequency:
1st IF	45 MHz
2nd IF	450 kHz
Sensitivity	0.2 µV For 12dB Sinad
Distortion	5% Max
S/N Ratio	34 dB Min.
Audio Output @ 10% THD	300 mW at 8 ohm
TRANSMITTER
Power Output	3 W, DC 7.2 V 4 W, DC 13.8 V
Distortion (nominal)	3%
Deviation	± 5 kHz Max.
S/N Ratio	32 dB
Current Drain	1200 mA, DC 7.2 V 1500 mA, DC 13.8 V ±

Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.

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The software protocol and construction for a PC interface cable is available in the 19-1108 Service Manual. You can order a service manual through your local RadioShack store.

Limited One-Year Warranty

This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned stores and au- thorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANT-

ABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DI-

RECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN AD-

VISED OF THE POSSIBILITY OF SUCH DAMAGES.

Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you.

In the event of a product defect during the warranty period, take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provided by law: (a) correct the defect by product repair without charge for parts and labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase price. All replaced parts and products, and products on which a refund is made, become the property of RadioShack. New or reconditioned parts and products may be used in the performance of warranty service. Repaired or replaced parts and products are warranted for the remainder of the original warranty period. You will be charged for repair or replacement of the product made after the expiration of the warranty period.

This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse, accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or mainte- nance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs of product removal, installation, set-up service adjustment or reinstallation.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102

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RadioShack Corporation	19-1108
	04A02
Fort Worth, Texas 76102	Printed in China