This document introduces the features of the new M2 chip, including its performance, power efficiency, and compatibility with existing devices. It also discusses the new MacBook Air and MacBook Pro models that are powered by the M2 chip.
This manual explains how to install, configure and use the Sampo HT‑W901L caller ID display wired telephone. It includes detailed steps for battery installation, wiring, setting the time and date, adjusting volume, alarm, do‑not‑disturb, and other functional settings.
The guide also covers maintenance, warranty information, and troubleshooting procedures such as LCD issues, no ring, and abnormal noises, helping users keep the phone operating reliably. This manual is written in Chinese.
| Power Supply | 1.5 V, 3×AA batteries |
|---|---|
| Dimensions | W205 × D175 × H78 mm |
| Weight | 624 g |
| DTMF Dialing Frequencies | High group 1209/1336/1477 Hz, Low group 697/770/852/941 Hz |
Check that the batteries are inserted with the correct polarity and that they have sufficient charge.
Open the battery cover on the bottom of the phone and insert three new AA batteries respecting the polarity markings.