Chapter 8. Maintenance and Troubleshooting
Model PM880 Portable Hygrometer User’s Manual 147
8.8.3 Updating Software Using IrCOMM
Use the sections below to upgrade the PM880 software using IrCOMM.
8.8.3a Setting up the PC
Note: The use of Hyperterminal is shown here as an example. If you are
using a different communications software, see its manual for
detailed instructions.
1. From the Start Menu, click Programs/Accessories/Hyperterminal to
open the Hyperterminal window.
2. If the call is not connected, click on Connect from the Call menu in
Hyperterminal.
3. From the File menu, click Properties. Be sure the New Connection
Properties window is set to your virtual infrared port.
Note: You can determine which virtual port your infrared is using by
opening Infrared Monitor in the Control Panel and clicking on the
Options tab. It displays the message, “Providing Application Support
on:” and then lists the virtual infrared port.
8.8.3b Setting Up PM880
1. If the menu is not active, press [MENU].
2. Use the arrow keys to scroll to Service and press [ENTER].
3. Use the arrow keys to scroll to Flash Update and press [ENTER].
Screen appears similar to Figure 70 on page 148.
4. Press [F3] (OK) to confirm that you wish to erase the program.
5. The meter asks for confirmation. Press [F3] (OK) to continue with the
update.
6. After the PM880 reboots, the meter will ask you a series of questions.
Use the appropriate function key to respond, then refer to the next
section.
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