
DOCUMENT SUBJECT TO U.S. EXPORT CONTROLS, COMPLIANCE APPROVIAL REQUIRED PRIOR TO DISTRIBUTION
IM4830, Page 5
In power save mode the systems power supplies are shutdown inhibiting any signal output, power
to the display is maintained.
Auto power save mode will be reset by the next key press (display will blink and software issue text
will be displayed).
3.
PARAMETER SETTINGS
Parameter selection setting is achieved using the four keys left, right, up and down, the display is
divided into two separate areas, on right hand side of the display is the 'mode' area, using the up
and down keys to scroll through the various available modes. The second line down is used for
editing the values of each parameter. Select which mode parameter to be edited by scrolling display
until it appears on the second line down. Using the left-hand key move the cursor until it is over the
digit that is to be modified, use 'up' to increase value, or down to decrease value, note that the
values either side will change when roll-over occurs depending on count up or down. The cursor
has to be returned to right-hand area to select a new parameter.
The signal outputs will update immediately to reflect the new value.
4.
MEMORY RESET
To perform a 'Memory reset' depress the left and down keys simultaneously. On release a
'MEMORY RESET' message will be displayed, following a reset the factory default settings will be
loaded into the units memory.
5.
POWER SUPPLY
The EHM1882 Power Supply and EHM1905 Ferrite Snap-On Cable Filter need to be assembled
prior to use. This is necessary so the 4830A meets specifications.
1.
Remove power supply wrapping and extend the cord.
2.
Remove the ferrite filters wrapping.
3.
Open the ferrite filter by gently lifting on the two plastic latches.
4.
Open the power supply’s cord starting about 1 inch from the end that plugs into the 4830A
and run it through the trough in the open filter as shown in Figure 1.
5.
Keeping the cord from being pinched, close the ferrite filter until the plastic latch snaps shut.