Harris Atlas DVL400, Technical Manual

Page: 158 / 180

5-12 888-2473-001 2/25/03
WARNING: Disconnect primary power prior to servicing.
Section 5 Maintenance and Alignments ATLAS Series™
Figure 5-8 Touchscreen Calibration Screens
Figure 5-9 Touchscreen Calibration Test Screen
5.8 V-XCAST Exciter adjustments
For all adjustments to the V-XCAST exciter, refer to the manual which came with
the exciter.
5.9 Main Controller Battery Check
A 3V Lithium battery, BT1, is fitted on the Main Controller PCB for the Real Time
Clock. See schematic drawing 843-5549-131 sht 4. It is recommended that the
voltage of the battery, BT1, be checked on a yearly basis as part of the routine
maintenance of the Transmitter. If the voltage falls below 2.5V, or the seal shows
any sign of leaking, the battery should be replaced.
(b) (a)
(b)
(a)