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1-412.fm Page 2 Thursday, August 5, 1999 3:41 PM INTRODUCTION Your RadioShack TRC-512 5-Channel 49 MHz FM Walkie Talkie is a compact, portable transceiver. You can communicate with other TRC-512 transceivers, or any other transceiver operating on the same frequency. The TRC-512 adds to your fun at sporting events, on camping trips, or when biking or hiking with your friends. The TRC-512 is also practical on the job.
21-412.fm Page 3 Thursday, August 5, 1999 3:41 PM Belt Clip — lets you attach the TRC-512 securely to your belt or pocket for hands-free carrying. Dual-Conversion Superheterodyne Circuitry — provides clean, clear reception. Note: To power your TRC-512, you need one 9 volt alkaline battery (not supplied).
21-412.fm Page 4 Thursday, August 5, 1999 3:41 PM PREPARATION INSTALLING THE BATTERY Your TRC-512 uses one 9 volt battery (not supplied) for power. For the longest life and best performance, we recommend you use an alkaline battery such as RadioShack Cat. No. 23-553. Caution: Use only a fresh battery of the required size and type. Follow these steps to install the battery. Fig. 1 1. Slide the battery compartment cover in the direction of the arrow to remove it.
21-412.fm Page 5 Thursday, August 5, 1999 3:41 PM 2. Snap the battery onto the battery connector inside the compartment. The connector only fits on the battery one way. 3. Replace the cover. When the low battery indicator lights, replace the battery. Cautions: • Always remove an old or weak battery. Batteries can leak chemicals that can destroy electronic parts. • Dispose of old batteries promptly and properly. Do not bury or burn them.
21-412.fm Page 6 Thursday, August 5, 1999 3:41 PM INSTALLING THE BELT CLIP Your TRC-512 comes with a clip you can use to hook the transceiver onto your belt or pocket. To install the clip, slide it into the slot on the back of the transceiver until it locks into place. To remove it, lift up the locking tab and slide the clip out. Fig.
21-412.fm Page 7 Thursday, August 5, 1999 3:41 PM OPERATION 1. Fully extend the antenna. Fig. 3 2. Turn on the transceiver by rotating the volume control up until it clicks. Fig. 4 3. Turn the channel selector to tune to the desired channel. Fig.
21-412.fm Page 8 Thursday, August 5, 1999 3:41 PM 4. To transmit, press PUSH TO TALK and speak into the microphone from about three inches away. To transmit an alert tone to another transceiver on the selected frequency, press the call button. Fig. 6 5. Release PUSH TO TALK when you finish speaking. 6. Adjust the volume control to the most comfortable listening level. Fig. 7 7. Rotate the volume control down until it clicks to turn off the transceiver.
21-412.fm Page 9 Thursday, August 5, 1999 3:41 PM CARE AND MAINTENANCE Your RadioShack TRC-512 5-Channel 49 MHz FM Walkie Talkie is an example of superior design and craftsmanship. The following suggestions will help you care for your TRC-512 so you can enjoy it for years. Keep the TRC-512 dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits. Use and store the TRC-512 only in normal temperature environments.
21-412.fm Page 10 Thursday, August 5, 1999 3:41 PM Use only a fresh battery of the required size and recommended type. Batteries can leak chemicals that damage your TRC-512’s electronic parts. Wipe the TRC-512 with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the TRC-512.
21-412.fm Page 11 Thursday, August 5, 1999 3:41 PM THE FCC WANTS YOU TO KNOW Your TRC-512 might cause TV or radio interference even when it is operating properly. To determine whether your TRC-512 is causing the interference, turn off your TRC-512. If the interference goes away, your TRC-512 is causing it. Try to eliminate the interference by: • Moving your TRC-512 away from the receiver. • Contacting your local RadioShack store for help.
21-412.fm Page 12 Thursday, August 5, 1999 3:41 PM SPECIFICATIONS GENERAL Operating Frequencies ................. (A) 49.830 MHz (B) 49.845 MHz (C) 49.860 MHz (D) 49.875 MHz (E) 49.890 MHz Input Voltage ............................................... 9V DC Current Drain .................... 130 mA max. (Receive) 50 mA max. (Transmit) 30 mA max. (Standby) Dimensions (HWD) ........... 11/5 × 23/5 × 59/10 inches (31 × 66 × 150 mm) Weight ......................... (with battery) 7.
21-412.fm Page 13 Thursday, August 5, 1999 3:41 PM RECEIVER Sensitivity (20 dB quieting) .......................... 0.5 µV Squelch Sensitivity Threshold ...................... 0.5 µV Modulation Acceptance Bandwidth ............. ±7 kHz Spurious and Image Rejection ............... 20 dB min Frequency Stability (0°C to 40°C) ............... ±1 kHz TRANSMITTER RF Energy Output .............................. 10,000 µV/m @3 meters (FCC max) Spurious and Harmonic Emissions ....... 20 dB min. FM Hum and Noise ..
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21-412.fm Page 15 Thursday, August 5, 1999 3:41 PM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for ninety (90) days from the date of purchase from RadioShack companyowned stores and authorized RadioShack franchisees and dealers.
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