General Tools and Instruments WDCFM8912 - Manual (Page 13)

User should also input four digits before decimal. All the Z is a
negative value but LCD will not appear the negative icon. Example:
1. If the Z value is -928.8683, user should input 09 28868
2. If the Z value is -1928.868, user should input 19 28868
3. If the Z value is -89.68482, user should input 00 89685 (Fig. T)
(Fig. T)
RETURN AUTHORIZATION
Authorization must be obtained from the supplier before returning
items for any reason. When requiring a RA (Return Authorization),
please include data regarding the defective reason, the meters are
returned along with good packing to prevent any damage in
shipment and insured against possible damage or loss.
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WDCFM8912 Manual final2F-062708:Layout 1 6/27/08 10:55 AM Page 13