User Manual
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Operator’s Manual • Maintenance
6076.0822.12.01 – 5.1 –
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We recommend to readjust the oscillators (TCXO and OCXO, part of Radio Platform
HPLAT, see the relevant Service Manual) one year after the M3SR Transceiver was first
put into operation. Only this can guarantee that the specification is met.
q The backup battery (part of Radio Platform HPLAT, see the relevant Service Manual)
need to be replaced once every three years after installation (see figure below).
q The filter mat of the dust protection filter needs to be cleaned or replaced (ident. no.
6102.6092.00) at certain intervals. The time interval depends on the environmental con-
ditions the transceiver is operated in. To remove the filter mat proceed as follows:
1. Undo the two screws (see figure below) fixing the cover to the front panel.
2. Carefully remove the cover.
3. Remove the filter mat from the ventilating duct.
4. Clean the filter mat by using compressed air or water.
5. Re-insert the cleaned and dried filter mat into the ventilating duct.
6. Perform steps 1 and 2 in the reverse order.
Otherwise the transceiver is free from scheduled maintenance.
Label: Date of battery installation
e.g. XT 4410A