Installation
7
4. Once the scale is on, the time interval before the scale will automatically power itself off, if there no key
is pressed and no weight is placed on the platter, is determined by SPEC 00- Auto Power-Off Function.
The default is 0000: Disabled. (For further instructions on how to set the scale’s specifications, see
Section 3.2.1)
2.4.2
DC Battery Pack Replacement/Installation
An optional DC battery pack (PN 108516) for the DC-782 is available and can be purchased from RLWS to ship
with the scale or retrofit in the field. The rechargeable 6V 5.0 AH battery pack allows for up to 300 hours of
scale use without an AC power supply (with the backlight off). It is located in the bottom of the scale base. Use
the following procedure to install or replace the battery pack.
1. Unplug the scale from power source.
2. Place scale its left side.
Do not turn the scale upside down. Always work with the scale on its side. Damage to the load cell can
occur if the scale is turned upside down.
3. Unscrew the thumb screw (4 below) holding the battery compartment door (5 below) closed.
4. Unscrew the two screws (3 below) holding on the battery holding bracket (2 below) and remove the
bracket.
Figure 2-3. Installing the Battery
5. If you are removing a battery previously installed, remove the battery from its compartment, then
disconnect the black (-) and red (+) electrical leads from the battery (6 above). If you are installing a new
battery, go to step 6.
6. Attach the red lead to the positive (+) terminal of the new DC battery pack, and the black lead to the
negative (-) terminal. Place new DC battery pack in battery compartment.
7. Replace the battery holding bracket (2 above) and fasten it with its two screws (3 above).
8. Replace the battery compartment door (5 above) and fasten it with its thumb screw (4 above).
9. Put the scale back upright on its feet.
10. Press the
ON/OFF
key located on the front of the scale. The scale will run through a check of the LCD
display’s segments. How thorough the segment check is depends on the setting of SPEC 20, Bit 2. The
default is 0: Fast (For further instructions on how to set the scale’s specifications, see Section 3.2.1):
•
If SPEC 20, Bit 2 is set to 0: Fast, the scale display’s 888’s for 1.5 seconds, then blanks for 1.5
seconds. It then displays 888’s again followed by a blank display for another 1.5 seconds before
#AUTION
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