... probe 60° 3. Frequency: 5.0-9.0 MHz 4. Display Mode: B, B/B, 4B, B/M, M 5. Gray ... Scales: 256 6. Monitor: 10' black & white display 7. Body Marks: 64 marks 8. Channels: >=16channels digital beaming ... -gestational age birthCardio measurements: depth, slope, heart rate, period 24. Character Display: name, age, gender, hospital name, time, date, probe mode, frequency ...