The Dialysate Control Section includes the keys needed to control the flow of dialysate, the Sodium Variation System (SVS), and ultrafiltration. The Dialysate Flow on/off key is to start and stop the flow of dialysate. The flow is off when the yellow triangular light is solid or flashing and the light is not illuminated when flow is on. The SVS on/off key is to activate the Sodium Variation System (SVS) program. When the SVS is on, the green, triangular light is illuminated. This light will flash when SVS program is interrupted. UF on/off key is to turn the ultrafiltration pump on or off. During ultrafiltration, the green light is illuminated. This light will flash when ultrafiltration is interrupted. Bypass key is to dialysate the flow which is bypassing the dialyzer because dialysate is outside the allowable temperature or conductivity limits, or shunt interlock door is open.
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