Rohde & Schwarz 1138.4000, Service Manual

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Module Replacement Radio Unit R&S CRTU-RU
1140.0050.82 3.22 E-4
Note: The lithium battery is of the type CR2032 (spare part list, Current No. 280).
Caution!
Lithium batteries must not be exposed to high temperatures or fire.
Keep away from children.
If the battery is replaced improperly, there is danger of explosion. Only
replace the battery by R&S type (spare part list, Current No. 280).
Lithium batteries are hazardous waste and must be disposed of in dedicated
containers.
Do not short-circuit the battery!
Installing the new battery and completing the instrument
¾
Replace the battery with the correct polarity in the battery holder BT1.
Note: Do not short-circuit the battery!
¾
Carefully plug the cable connectors to the controller board without reversing the polarities and
replace the mounting plate in the reverse order.
¾
Install the old PCMCIA INTERFACE in the FRONT MODULE in the reverse order.
¾
Install the FRONT MODULE in the CRTU Radio Unit in the reverse order.
Note: Make sure to route the cables of the PCMCIA INTERFACE properly, not to catch them and
insert them on the MOTHERBOARD1 before sliding the FRONT MODULE completely into
the CRTU Radio Unit.
¾
Complete the instrument without causing damage to the cables.
Putting into operation
¾
Connect the instrument to the mains.
¾
Connect the external keyboard to the keyboard connector on the rear panel of the CRTU Radio Unit.
¾
Switch on the CRTU Radio Unit.
¾
Press the key DEL (Delete) on the external keyboard in order to get into the Setup menu
¾
Choose the item LOAD CRTU RU DEFAULTS and press ENTER ; quit with y and ENTER .
¾
Choose the item Setup Standard and set date and time. Exit with ESC key.
¾
Exit BIOS Setup with the key ESC and quit with y (save changes and exit) and ENTER.
¾
The CRTU Radio Unit starts the operating software automatically, it is ready for use and can be
operated as usual.