Promax 10 SE, Руководство пользователя

Страница: 98 / 154

USER’S MANUAL. PROMAX-10 Premium
Page 38 11/2008
The lower line ( TIME ) shows the time since the detector is active.
The COUNTER field shows the number of impulses that have exceeded the
level defined by the REF. LINE parameter in the configuration menu of the SPECT
mode (section 4.2.5.5).
To initialise the TIME and COUNTER fields, press the SPECT [13] key.
In the lower part of the screen it appears a bar that shows present level, a
dotted line shows the detection threshold (REF. LINE) whereas the continuous line
indicates the maximum detected level.
4.2.4.5 SPECTRUM ANALYSER mode configuration
Pressing the CONFIG key [14] will
access the parameter configuration menu
for the
SPECTRUM function.
To change the value assigned to one
parameter, turn the rotary selector [9] until its field is
activated (this will appear shadowed) and then
press. The value of the parameter will be
activated and may be changed by turning the rotary selector. When the value you want
appears, press the rotary selector [9] to validate it.
The parameters that can be modified through this menu are:
Figure 46.- SPECT mode configuration.
a) BAND
It selects the analyzed band between:
RETURN PATH Sub-band spectrum (5 to 100 MHz).
FORWARD Band from 45 to 863 MHz.
b) MODE
It selects the representation mode:
SPECT Instantaneous value.
MIN Minimum values held (MIN INGRESS).
MAX Maximum values held (MAX INGRESS).
TRANS Transient detector. Only operative in the return path.
c) DETECTOR (Only for the SPECT, MAX and MIN modes)
It selects the used detector between:
PEAK
AVERAGE
In the TRANS mode the detector used is always PEAK .