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| Type | Caller ID Box |
|---|---|
| Model | 250 |
| Manufacturer | Radio Shack |
| Display | LCD |
| Number of Caller ID Entries | 99 |
| Phone Line Compatibility | Standard analog phone lines |
| Power Source | Battery |
| Weight | Approx. 7 ounces (without batteries) |
Warning to prevent fire or shock hazard by not exposing the product to rain or moisture.
Caution to reduce electric shock risk by not removing the cover or back as there are no user-serviceable parts inside.
Requires Caller ID service availability and subscription in your area.
Explains REN and its impact on ringing when multiple devices are on the line.
Module complies with Part 68 of FCC Rules; requires providing registration number and REN to phone company.
Module complies with Class B device limits for radio and TV interference.
Module powered by a 9-volt battery; alkaline recommended for longest operation.
Battery keeps memory during power failures, even with AC adapter.
Steps for unplugging, sliding cover, and removing old battery.
Install battery correctly, matching polarity; do not force into compartment.
Press DELETE for Spanish, REVIEW for French, or REVIEW for English messages.
Connects to phone line and phone via modular connectors.
Steps to unplug phone cord and connect module to the phone line jack.
Plug one end of supplied cord into module's other connector, other end into phone line jack.
Connect two modules using a triplex adapter for two-line phones.
Unplug phone, plug into adapter, then connect adapter to phone line jack.
Connect one module's cord to one line (L1 or L2) on the adapter.
Repeat steps to connect a second module to the remaining line (L1 or L2) on the adapter.
Unplug answering machine, connect to module, then connect module to phone line jack.
Plug adapter's barrel plug into module's jack, then plug adapter into AC outlet.
Hold DELETE, press REVIEW to decrease or REVIEW to increase contrast.











