58 - Pocket computer YSI - Free user manual and instructions
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| Product Type | Pocket Computer / Programmable Calculator |
| Brand | YSI |
| Model | 58 |
| Dimensions (Approx.) | 160 x 80 x 20 mm |
| Weight | 120 g (including batteries) |
| Power Source | 2 x LR44 / SR44 button cells (or equivalent) |
| Display | Single-line 10-digit LCD with scientific notation |
| Key Functions | Basic arithmetic, scientific functions (log, sin, cos, tan), statistical, programming capability |
| Program Memory | Up to 50 steps |
| Number of Registers | 10 user-accessible storage registers |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Battery Life | Approximately 1000 hours of typical use |
| Auto Power Off | After 5 minutes of inactivity |
| Cleaning | Wipe with a soft, dry cloth. Do not use solvents or abrasive cleaners. |
| Maintenance | Replace batteries when display dims. Remove batteries if storing for extended periods. |
| Safety | Keep away from moisture and extreme temperatures. Do not disassemble or short-circuit. |
| Spare Parts & Repairability | Batteries are user-replaceable. Other components are not field-serviceable; contact YSI support for issues. |
| General Information | Designed for scientific and engineering calculations. Includes a user manual with programming examples. |
Frequently Asked Questions - 58 YSI
How do I turn on the YSI 58 pocket computer?
Press the ON/AC key. The device will display a zero and be ready for input.
How do I perform a basic calculation like 5 + 3?
Enter 5, press +, enter 3, then press = to see the result 8.
How can I change the batteries?
Slide off the battery cover on the back. Replace with two new LR44 or SR44 cells, observing polarity. Replace cover.
What does the 'E' error mean on the display?
E indicates an error such as overflow, invalid operation, or division by zero. Press ON/AC to clear.
How do I program a simple calculation?
Switch to PRGM mode. Enter keys sequentially (e.g., for area of circle: RCL, pi, *, =). Switch to RUN mode and execute with a register value.
How many program steps can the YSI 58 store?
It can store up to 50 program steps, shared with data registers. Consult manual for detailed memory configuration.
Why does the display seem dim?
The batteries may be low. Replace them. If the problem persists, check the contrast adjustment or contact support.
Can I use rechargeable batteries?
The device is designed for alkaline button cells. Rechargeable NiMH cells (LR44 equivalent) may work but have lower voltage and may reduce accuracy.
How do I clear all memory and reset the calculator?
Press and hold ON/AC while pressing CLR twice, or refer to the manual for a full reset sequence.
Is the YSI 58 compatible with other YSI devices?
The 58 uses a proprietary key layout and programming language. It is not directly compatible with other models, but basic calculation functions are similar.
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USER MANUAL 58 YSI
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Product information
Brand : YSI
Model : 58
Category : Pocket computer