Rohde & Schwarz CMU200 - Installing the New Battery and Completing the Instrument; Putting into Operation

MODULE Replacement CMU
1100.4903.82 3.24 E-4
Installing the new battery and completing the instrument
½ Shorten the length of the connecting wires of the new battery as with the old battery and replace with
the correct polarity.
Note: Do not short-circuit the battery!
½ If necessary, replace the mechanical lock (cable clamp). First solder the positive terminal to the PC
board, then the negative terminal.
½ MODEL 04: Plug jumper J7 first to the position middle and right (position RAM discharge) and then
to middle and left position. Leave jumper J7 at this position (position before battery replacement).
½ MODEL 12: Plug jumper J12 first to the position middle and left (position RAM discharge) and then
to middle and right position. Leave jumper J12 at this position (position before battery replacement).
½ Carefully plug the cable connectors to the controller board without reversing the polarities and
replace the mounting plate in the reverse order.
½ Install the old Option FLOPPY DISK DRIVE CMU–U61 or PCMCIA INTERFACE in the FRONT
MODULE in the reverse order.
½ Install the FRONT MODULE in the CMU in the reverse order.
Note: Make sure to route the cables of the Option FLOPPY DISK DRIVE CMU–U61 or PCMCIA
INTERFACE properly, not to catch them and insert them on the MOTHERBOARD1 before
sliding the FRONT MODULE completely into the CMU.
½ Complete the instrument without causing damage to the cables.
Putting into operation
½ Connect the instrument to the mains.
½ Connect the external keyboard to the keyboard connector on the rear panel of the CMU.
½ Switch on the CMU.
½ Press the key DEL (Delete) on the external keyboard in order to get into the Setup menu
½ Choose the item DEFAULT OPTIMAL (MODEL 04) / LOAD CMU-DEFAULTS (MODEL 12) and
press ENTER; quit with y and ENTER.
½ Choose the item Setup Standard and set date and time. Exit with ESC key.
½ Exit BIOS Setup with the key ESC and quit with y (save changes and exit) and ENTER.
The CMU starts the operating software automatically, it is ready for use and can be operated as usual.