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3.2 MAIN BOARD POWER JUMPERS (Continued)
S2 jumpers are used for testing purposes. Do not use as reading errors may result.
S3 jumpers are used for the following (refer to Figure 3-2):
*
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 factory calibration procedure
Test pins TP1 - TP11 are for testing purposes. Do not use as reading errors may result.
S4-A Factory default jumper is removed.
Jumper
S3-A
S3-B
S3-C
S3-D
S3-E
Table 3-1. S3 Jumper Functions
Description
Install to enable front panel push-buttons.
Remove to disable all front panel push-buttons.
Removed. For factory calibration only.
Removed. Not used.
Installed for external ratiometric.
If installed without S3-B, the MENU button locks out.
If you press the MENU button, the meter shows LOCK .
Getting Started
3
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