MEDIAID 340V, User Manual, Page: 27 / 40

Operating the Model 340V
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4) Select a test by one short depression of the ALARM OFF KEY. The
test runs and stops automatically.
5) Revert to monitoring by first powering off the Model 340V.
Global Test - Test 0
This test automatically initiates all of the diagnostic tests, which run
automatically and in order until either an error is detected, input is
required, or the test sequence is completed.
Display and Indicator Test - Test 1
Upon initialization of this test, the LED display segments and discrete
LED indicators are illuminated one at a time. Carefully inspect the proper
operation of all LED segments and indicators.
Audible Annunciation Test - Test 2
Both the variable pitch, audible pulse-tone, and audible alarms are
annunciated by the Model 340V’s 8-pitch, 3-volume level audible
annunciation system. This test, when initiated, sequentially sounds all
of the eight pitches (frequencies) and three volume levels. Carefully
listen for tone, pitch and volume changes.
Audible/Visual Alarm Test - Test 3
This sequence tests the instrument’s alarm functions. The audible alarm
tone and the four HI/LO ALARM INDICATORS are simultaneously
activated for a period of approximately 5 seconds. Audible and visual
observation is required.
Control Key Test - Test 4
This test checks the functionality of the front panel control keys,
excluding the POWER ON/OFF KEY. Once initiated, the user must press
the control keys, one at a time, in the following order: ALARM OFF,
OXYGEN SATURATION ALARM, INCREMENT, DECREMENT, and
PULSE RATE ALARM.
Do NOT press the POWER ON/OFF KEY as it
will power off the unit. An internal software routine waits for a signal to
be received from each of the keys. A unique number indicating the
internal memory address for each key is displayed. Observe the
changing values to ensure proper reception of each key’s signal.
Sensor Test - Test 5
This test requires an operational sensor to be connected to the pulse
oximeter. The functionality of the sensor, the pulse oximeter’s LED driver