58 Operating the Device
Frequency
(only point 2 BILEVEL ST20/25 in modes BILEVEL T and ST)
Selection of Frequency by the physician
1. Select the complete menu (see page 47).
2. Use the selection keys and to select Frequency.
3. Press the the enter key and if necessary, input the PIN code with the selection
keys and . Press the enter key after every digit.
4. Press the enter key and then use the selection keys and to set the desi-
red value. Confirm your setting by pressing the enter key .
The parameter I:E is set next.
I:E
(only point 2 BILEVEL ST20/25 in modes BILEVEL T and ST)
Selection of I:E by the physician
1. First set Frequency.
2.
Use the selection keys and to set the desired value. Confirm your setting
by pressing the enter key .
The parameter Delay Time is set next (only point 2 BILEVEL ST20/25 in BILEVEL ST mode).
Delay Time
(only point 2 BILEVEL ST20/25 in BILEVEL ST mode)
Selection of Delay Time by the physician
1. First set Frequency and I:E.
2.
Use the selection keys and to set the desired value. Confirm your setting
by pressing the enter key .