Ich check
1.
Set Ich o set to 3
a At the C
press 6 an select TRIM other
b
igure 21 ress ove o n arro until IC
SET appears in the iel ress E TER
Figure 21:
I
ata iel selection
450-0721
c
igure 22 Enter a higher or lo er nu ber as appropriate into the ata iel an press E TER
Figure 22:
I
ata iel
450-0722
2.
Using the spectru analyser easure the ne carrier leakage ratio
3.
I the carrier leakage ratio is greater than 30 c then the unit is K o set
calibration is co plete
4.
I the original carrier leakage ratio see I ch ests step 2 is greater than the ne carrier leakage ratio go to
I ec Calibration
5.
I the original carrier leakage ratio is less than the ne carrier leakage ratio go to I Inc Calibration
I Dec Calibration
1.
Set Ich o set to 127 see Ich Check step 1
2.
Using the spectru analyser easure the ne carrier leakage ratio
3.
I the carrier leakage ratio is greater than 30 c then unit is K o set calibration is co plete
4.
I not then repeat steps 1 2 an 3 above or Ich o set values 58 55 52 49 46 43
5.
I the carrier leakage ratio is still not greater than 30 c then go to ch Check
MCUK970901C8
Section 7
Issue 1
Service Manual
7 -15
Revision 0
TEST AND MEASUREMENT
