ULTRATHERM 908i
18
gbo Medizintechnik AG 2004
Version 1.2
capacitor-field electrode, medium
80 W
capacitor-field electrode, larg
200 W
•
Subsequently check the limit values of the power ranges in the pulsed modes (initial values 3 W
each), the end values are 30 W for all applicators except the small capacitor-field electrode with
21 W.
4.4.2.4. Emergency-off function
•
Set the output power to any value > 0.
•
Wait for the duration of tuning process.
•
Actuate the emergency-off switch.
•
A continuous acoustic signal must sound and all optical indications must be exstinguished.
•
Relay K001 must be released.
•
Then turn the power selector to the left.
•
The acoustic signal terminates and the unit changes to the stand by mode.
•
Relay K001 must be active.
4.4.2.5. RESET key
•
Adjust any treatment time value.
•
Press RESET key (S409).
•
After this, the unit must be in the stand by mode.
4.5. Tuning
•
Set the unit to the stand by mode.
•
Engage the coaxial plug connection X222.
•
Connect the test aerial to the unit output X004/X005.
(By way of substitution, the output power can be determined by means of the precision resistor
of 50
Ω
and a multimeter. In such a case the following three steps can be neglected).
Calibration of the thermal probe with the power meter.
•
Set the following parameters on the power meter:
„dB REL“ = 39.70 dB,
„LINEARITY FACTOR“ according to the value on the probe label,
„CAL FACTOR“ = 1,
„RANGE“ = 0,
„AVERAGE“ = 7,
„DUTY CYCLE“ = 100 %.
•
Connect the power meter to the (-40)-dB output of the test aerial.
