User Guide

CCS Technical Documentation Service Tools
NHL-2NA
Issue 2, Amendment 1 08/03 Nokia Corporation Page 9
TDS-11 Calibration lamp
Ambient light sensor of NHL-2 tranceiver needs to be calibrated after certain service
operations. TDS-11 must be used together with JBV-1 and MJF-7.
Note! TDS-10 is made out of metal and it is not recommended to keep it installed when
making coupler measurement or RF tunings with TDS-11. Remove TDS-10 always from
MJF-7 when not using it. TDS-10 brightness also weakens in lond term use. Ambient
light sensor calibration system (JBV-1+MJF-7+TDS-11) must be calibrated time to time
with golden phones (Selected phones from production line) in regular intervals.
Product Code
TDS-11 Calibration lamp 0770440
View of TDS-11
Figure 4: TDS-11