Novametrix Medical Systems 515 Service Manual page 39

Service Manual: Model 515
Calibration and Adjustments:Adjustment Proce
4.2.47 Press the
Next
softkey then press
Gain.
Set the
Ir
to 0FFF using the
softkey. Press
Next
set the
Red
to 0FFF using the
Pset
softkey, press
twice.
4.2.48 Press
Offs,
select
Ir
and set it to 0000 using
Pset,
press
Next
select
and set it to 0000 using
Pset,
then press
Next
twice.
4.2.49 Press
Next,
press
Adc
use
Inc
and
Dec
to record values (SATURATION
channels 2 and 6 (PULSE RATE). Press
Prev
twice.
4.2.50 Press
Offs,
select
Ir
and set it to 0FFF using
Pset,
press
Next
select
Red
set it to 0FFF using
Pset,
then press
Next
twice.
4.2.51 Press
Next,
press
Adc
use
Inc
and
Dec
to record values (SATURATION
channels 2 and 6 (PULSE RATE). Verify the difference between the first
second recorded values for each channel is 23 - 29.
4.2.52 Press
Prev
twice, select
Gain
press
Ir
and set the gain to 0G0A using the
I
key. Press
Next
select
Red
and set the gain to 000A using the
Pset
1
Press
Next
twice.
4.2.53 Press
Next,
press
Adc
use
Inc
and
Dec
to monitor channel 2, press
Prev
tv
then select
Offs.
Press the
Ir
key and use the
Inc
and
Dec
key to slowly ad
so that the reading is steady at 0. Adjust the offset so that the display st
to read a value greater than zero (0). Record this value.
4.2.54 Adjust the offset of channel 2 so that the reading is steady at 255. Slowly
just the offset so that the reading is just below 255. Record the value of
DAC.
4.2.55 Press
Next
three times, select
Adc,
use
Inc
and
Dec
to monitor channel
Press
Prev
twice then select
Offs.
Press the
Red
key and use the Inc and !
key to shnvly adjust so that the reading is steady at 0. Adjust the offset
that the display starts to read a value greater than zero (0). Record ihis s alue.
4.2.56 Adjust t!iu offset of channel 6 so that the reading is steady :ii 255. .Slowly
jurt t'le offset so that the reading is just below 255. Record the viilue of
DAC.
4.2.57 Check that the difference between the fist and second recorded offset va!
for each channel is 64h ± 0Ah.
4.2.58 Power down the unit, place the rear panel power switch to the O position.
4.2.59 NOTE: Do not perform the following two steps (MONITOR TEST 15) uni
ICIO on the 2288 Analog board has been replaced.
Connect an external power supply set for +12 volts in place of the batte
Power the unit up in test mode, select "MONITOR TEST
-
15". Press
Test
twice.