Omega CN1001-TC, Руководство пользователя

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6.5 MAIN BOARD JUMPERS (Continued)
S2 jumpers are used for sensor break indications (refer to Table 6-1).
S3 jumpers are used for the following (refer to Table 6-1):
* To enable or disable the front panel push-buttons
* To allow for an extremely low resistance load for analog output
* To disable the MENU button
* To perform calibration procedure
Test pins TP1 - TP11 are for testing purposes. Do not use as reading errors may result.
Table 6-1. Jumper Functions
JUMPER DESCRIPTION
S2-A Install for negative sensor break (i.e.,
refrigeration).
S2-B Install for positive sensor break (i.e., heating).
S2-C Removed. Not used.
S2-D Removed. Not Used.
S3-A Install to enable front panel push-buttons.
Remove to disable all front panel push-buttons
S3-B Removed. Install for meter calibration.
S3-C Normally removed. Install for analog voltage
output when load has less than 1 KΩ
impedance. Care should be taken when
installing this jumper.
S3-D Removed. Not used.
S3-E If installed without S3-B, the MENU button locks
out.
S4-A Removed. Not used. (May not be present on all
meters).
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