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3
Getting Started
14
3.3 MAIN BOARD JUMPERS (Continued)
S1 jumper is for factory use only.
Do not install or remove them.
S2 jumper allows you to use the meter without ATC.
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
S4 jumpers allow you to use electrode solution ground wire or internal ground for
measurement purposes.
S5 jumpers allow you to use 100 ohm or 1000 ohm RTD sensors.
Table 3-1. Jumper Functions
Jumper
Description
S2-D
Install if Temperature sensor is 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 output when load is
less than 1 K Ω 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.
If you press the MENU button, the meter shows “LOCK”.
S4-A
Install when using internal ground.
Remove when using electrode solution ground wire.
S5-A
Install for 100 ohm RTD sensor.
Remove for 1000 ohm RTD sensor.