Troubleshooting

43-696a.fm Page 21 Friday, August 13, 1999 12:48 PM

We do not expect you to have any problems with your phone, but if you do, the fol- lowing suggestions might help.

Problem		Suggestion


Low volume or unusual	Someone has picked up another phone on the
sounds.	same line. Hang up the other phone.

Severe noise interference.	•	Press CH to change the channel.
	•	Keep the handset away from computers,
		remote control toys, wireless microphones,
		alarm systems, intercoms, room monitors,
		fluorescent lights, and electrical appli-
		ances.
	•	Move to another location or turn off the
		source of interference.

The phone cannot be oper-	•	Fully extend the base’s antenna in a verti-
ated at a useful distance from		cal position.
the base because the signal	•	Be sure neither antenna is touching a
becomes weak or noisy	•	Be sure neither antenna is touching a
becomes weak or noisy		metal surface.
(handset’s range has		metal surface.
(handset’s range has
decreased).	• Return the handset to the base to recharge
		the battery.

The phone does not work or	Be sure the base’s phone line cord and AC
works poorly.	adapter are correctly and securely connected,
	and the battery is connected and charged.

The handset battery does not	•	Check the charging contacts on the hand-
charge.		set and base. If they are dirty, clean them
		with a pencil eraser.
	•	Be sure the battery is connected correctly.

ET-596 specifications

The Radio Shack ET-596 is a distinguished electronic device that gained recognition in the realm of personal gadgets during the 1980s. As a programmable calculator, the ET-596 combined extensive functionality with user-friendly design, catering to engineers, students, and hobbyists alike.

One of the standout features of the ET-596 is its robust computing power. Equipped with an advanced microprocessor for its time, this calculator is able to perform a wide range of mathematical operations, from simple arithmetic to complex trigonometric functions. The device boasts a generous number of built-in functions, enabling users to execute calculations in various fields, including finance, engineering, and science, thereby making it a versatile tool for anyone who relies on numerical analysis.

The ET-596 is designed with a large, easy-to-read LCD display, which presents numbers and calculations with clarity. This aspect enhances usability, reducing eyestrain during prolonged use and facilitating quick reference in both educational and professional environments.

Another defining characteristic of the ET-596 is its programmability. Users can create and store custom programs, allowing for repetitive calculations and complex problem solving to be executed effortlessly. This feature not only elevates productivity but also positions the device as an indispensable asset for engineers and researchers performing regular computational tasks.

The Radio Shack ET-596 also includes several memory functions, which allow users to store values temporarily, further enhancing its functionality. This memory capability is particularly useful in multi-step calculations, where retaining previous results is crucial for final outcomes.

In terms of design, the ET-596 features a sleek, compact form factor, making it easily portable. Its robust construction ensures durability and longevity, which is a hallmark of Radio Shack products. The device is powered by standard batteries, ensuring that it remains operational without the frequent need for charging.

In conclusion, the Radio Shack ET-596 remains a significant technological artifact from the 1980s, representing a blend of sophistication and practicality in personal computing. With features like programmability, multifunctionality, and efficient memory use, it set a benchmark for future portable calculators. Even today, enthusiasts and collectors alike recognize its enduring legacy in the evolution of personal electronic devices.