13
Getting Started
3
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 calibration procedure
Test pins TP1 - TP11 are for testing purposes. Do not use as reading errors may result.
S4-A Factory default jumper installed.
Table 3-1. S3 Jumper Functions
Jumper Description
S3-A Install to enable front panel push-buttons.
Remove to disable all front panel push-buttons.
S3-B Removed. Install for factory calibration only.
S3-C Removed. Not used.
S3-D Removed. Not used.
S3-E If installed without S3-B, the MENU button locks out.
If you press the MENU button, the meter shows LOCK .
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