Contents

General Guide .................................................................................

E-10

Radio-controlled Atomic Timekeeping ...........................................

E-12

Altimeter ..........................................................................................

E-34

Recalling Altitude Data ....................................................................

E-52

Barometer/Thermometer .................................................................

E-59

World Time ........................................................................................

E-67

Stopwatch ........................................................................................

E-69

Countdown Timer .............................................................................

E-71

Alarms ..............................................................................................

E-73

Illumination ......................................................................................

E-77

Questions & Answers ......................................................................

E-81

Power Supply ...................................................................................

E-86

Timekeeping .....................................................................................

E-94

Reference ........................................................................................

E-101

Specifications .................................................................................

E-118

Operating Precautions ..................................................................

E-124

User Maintenance ..........................................................................

E-134

E-6