In order for the scale to show all readings make sure you are stepping on the scale barefoot and waiting until the BPM heart icon stops blinking (see image for reference).  

All readings include:

• (Weight (lbs & kg),
• Heart Rate (BPM)
• Heart Index
• BMI (Body Mass Index)
• Body Fat %
• Visceral Fat %
• Subcutaneous Fat %
• Body Water %
• Muscle Mass
• Muscle rate %
• Bone Mass Weight
• Protein %
• Body Age
• Fat-Free Body Weight
• Skeletal Muscle
• BMR (Basal Metabolic Rate)

Related article: How do I know when my Scale X Pro is done logging all my data?