Fluke A70M User Manual

Page of 148
RPM4/HPMS A70M/A20M-AF OPERATION AND MAINTENANCE MANUAL 
© 2007 DH Instruments, a Fluke Company 
Page 116 
web or have difficulty downloading or loading software, contact your DHI representative or a 
DHI Authorized Service Provider (see Table 23) for assistance.  
If you believe you have discovered an error or “bug” in RPM4 software, please report it with 
complete details by email to cal.repair@dhinstruments.com
 
  The DHI flash software loading utility and RPM4 embedded software are available for 
download from www.dhinstruments.com in the SOFTWARE section. 
 
5.4.4 
SUBASSEMBLY DESCRIPTION AND LOCATION 
 
 
1. Micro 
card 
2.  Power Supply Module  
 
(beneath Driver Board) 
 
3. Driver 
Board 
4. On-Board 
Barometer 
5.  Lo Q-RPT module (A20M) 
6.  Hi Q-RPT module (A70M) 
7. Display 
 
Figure 13.  RPM4 internal view 
5.4.4.1 
MICRO BOARD 
The micro board supports a Motorola 68302 micro-controller, EPROM, 
EEPROM, 128k x 16 bit NVRAM, 8 Mbit flash memory; RS-232 and IEEE-488.2 
communications; keypad and display control.  An I/O port controls other ports 
and devices in RPM4.