Edwards IH Instruction Manual - Ideal Vacuum Products

4.5 Wrap-around
When you use the up and down buttons to change a digit or character on the display, the
digit or character will 'wrap-around' between its minimum and maximum values. For
example, when you enter a password digit, if the digit is '0' and you press the down button,
the digit will change to '9'; if the digit is '9' and you press the up button, the digit will change
to '0'.
4.6 Timeout
As supplied, after you have entered a menu (other than the Normal menu), if you do not
press a button for five minutes, the Pump Display Terminal will automatically exit the
current menu and enter the Normal menu. This facility (known as timeout) is available so
that if the setup or service menu is entered and then the iH system is accidentally left
unattended for a specified time, the menu is exited to prevent unauthorised use of the menu
options.
4.7 Menu structure
The menu structure is shown in Table 4-1. Note that if a particular system component or
accessory is not fitted, the corresponding menu option or parameter is not shown or is shown
as 'NP' (not present). For example, in the Status menu (Figure 4-6), if a component is not
fitted, 'NP' (not present) is shown in the corresponding display line; an oil monitor is not
fitted to the HCMB pump, so where Figure 4-6 shows the 'MB OIL' status display, the actual
display line will be 'MB OIL NP'.
4.8 Example
Here is an example of how to interpret the menu diagrams. The following procedure
describes how to change the units displayed for pressures (you can select kPa or psi).
1. Press the Setup button to enter the Setup menu (Figure 4-8).
2. Use the up and down buttons to change the first digit of the setup password to the correct
value, then press the ENTER button.
3. Use the up and down buttons to change the second digit of the setup password to the correct
value, then press the ENTER button.
4. Use the up and down buttons to change the third digit of the setup password to the correct
value, then press the ENTER button.
5. If you have entered the correct password, the display will then show 'SETUP MENU' on the
top line and 'Inlet Purge' on the bottom line.
6. Press the down button six times or press the up button five times; the display will then show
'SETUP MENU' on the top line and 'Units' on the bottom line.
7. Press the ENTER button; the display will then show 'Units Select' on the top line and
'Pressure' on the bottom line (see Figure 4-11).
4-4 iH Dry Pumping Systems