Preventive Maintenance
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4.4 Service Software
Calibration and testing is accomplished through software driven service diagnostics. The current
software version is displayed in the main menu.
To enter the service software
1 Turn off the Mains switch. Set the Switch to standby. Turn on the mains switch.
2 Select the keys
a
SET
b
OPT.
c
d
OK
One at a time and in sequence, while waiting for the indicator to advance. After each key is
pressed, an asterisk (*) will appear in the lower left corner of the screen. When boot up is
completed, the Modular
+
enters the service mode.
3 Select Key code.
Fig. 22 Initialization screen