Welch Allyn Holter System - User Manual - Manual (Page 15)

Directions for Use 11
Recorder Illustrations
Figure 1. HR 100 Holter Recorder
Figure 2. HR 300 & HR 1200 Holter Recorder
LED
Patient Cable
Battery
Compartment
Secure Digital
Card Interface
Patient-Activated Event Buttons
Secure Digital (SD)
Card Interface
LCD
Patient-Activated
Event Buttons
Patient Cable
Batteries
Caution Inserting the Secure Digital Card in backwards or up side down may
damage Secure Digital Card Interface.