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Basic operation – Radio Shack HTX-242 User Manual

Page 16

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16

BASIC OPERATION

Turning On/Off Your HTX-242

To turn your HTX-242 on or off, press

POWER

. When you turn it

on, all display elements briefly turn on and the HTX-242 sounds
five tones. Then it returns to the last-used settings.

Resetting the HTX-242

When you first use your HTX-242, if it displays

PLL Err

or

EEP

Err

, or if you ever want to reset the HTX-242 to the factory

defaults and clear all memory, follow these steps.

1.

Turn off the HTX-242.

2.

While holding down

F+T-SQL

, turn on the HTX-242.

All display elements stay on for about 1 second.

See “Extending the Transmit Frequency Range” (below) and “Using
the Menu” on Page 38.

Extending the Transmit Frequency Range

The following are the HTX-242’s default frequency ranges:

To expand the transmit frequency coverage, hold down

F+DTMF

while you turn on the HTX-242. The new frequency ranges are:

Important: This procedure clears all stored information.

Transmit:

144.000 – 148.000 MHz

Receive:

136.000 – 174.000 MHz

Important: Do not expand the transmit frequency coverage unless you
are licensed to operate on MARS or CAP frequencies.

Transmit:

142.500 – 149.500 MHz

Receive:

136.000 – 174.000 MHz

Note: To return to the default frequency ranges, you must reset the trans-
ceiver. See “Resetting the HTX-242”.

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