HS-04 Operator’s Manual Appendix A: Maintenance Mode • 91
Viewing the ROM/SUM (ROM/SUM)
The ROM/SUM screen shows the instrument’s firmware version and firmware checksum.
1. While in Maintenance Mode, press AIR to scroll to ROM/SUM.
2. Press and release POWER MODE. The screen shows the ROM/SUM. The ROM is the top
value and the SUM is the bottom value.
3. Press and release POWER MODE to return to the ROM/SUM item in Maintenance Mode.
4. See “Entering Measuring Mode (START)” on page 92 to enter Measuring Mode.
Performing a Default (M.DEF)
Performing a default operation in Maintenance Mode returns all parameters to their RKI factory
settings.
1. While in Maintenance Mode, press AIR to scroll to M.DEF.
2. Press and release POWER MODE.