Operation; Srx Probe Options; Sr2 & Sr3 Waterproof Probes; Obstetric Monitoring - arjo HUNTLEIGH SR Série Mode D'emploi

5.3.4 Battery Type Selection
HR6 = rechargeable NiMH batteries, LR6 = non-rechargeable alkaline batteries
6.

Operation

Press and hold for one second to turn the unit ON. The Doppler displays the Obstetric Live Waveform
Screen.
6.1

SRX Probe options

Two types of probe are available:
OP2XS
The Obstetric FHR Numeric Screen is displayed when an obstetric probe is detected. The strength of the
Doppler signal is displayed in the status bar at the top of the display.
6.2 SR2 & SR3 Waterproof Probes
SR2 is supplied with a captive waterproof 2 MHz probe and cable while SR3 is supplied with a captive
waterproof 3 MHz probe and cable.
When used underwater, refer to the Cleaning Instructions in section 7, to prevent cross-contamination.
Patient Preparation
Make the patient comfortable in a semi-recumbant or sitting position. Apply a liberal amount of gel to the
abdomen. Place the faceplate of the probe fl at against the abdomen above the symphis pubis. Adjust the probe
to get an optimum audio signal, ideally by angling the probe around while maintaining fi rm pressure. Avoid
sliding the probe over the skin. Best performance is from the fetal heart itself, characterised by 'slapping' valve
sounds rather than umbilical artery or placental sounds. The FHR, averaged over 4-heart beats, is displayed on
the 3-digit readout.
*Note: Gel is not required when SR2 and SR3 model probes are used underwater.
6.3

Obstetric Monitoring

Obstetric FHR Numeric Mode Screen
In this Mode, the FHR is displayed (in beats per minute) in large digits and is continually updated. When the rate
cannot be determined, 3 x dashes are displayed.
2 MHz ± 1%
Press to switch to FHR Trace Display.
OP3XS 3 MHz ± 1%
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