Omega DP26-RTD manual Front Panel Lockout Push Button Lockout, Jumper Lockout

2.5 FRONT PANEL LOCKOUT

2.5.1 PUSH BUTTON LOCKOUT

To lock the RESET, MENU and SETPTS buttons, verify that the S3-A jumper is installed and the S3-E jumper is not installed, then follow these steps:

In the run mode-

1.Press and hold down the RESET button. The meter shows “SP.RS”. Do not release the RESET button.

2.Press the MENU button and hold RESET button down (3-5 seconds) until the meter shows “LOCK”.

3.Release both buttons.

To unlock the RESET, MENU and SETPTS buttons, follow these steps:

1.Press and hold down the RESET button. The meter shows “LOCK”. Do not release the RESET button.

2.Press the MENU button and hold RESET button down (3-5 seconds) until the meter shows “UN.LK”.

3.Release both buttons.

2.5.2 JUMPER LOCKOUT

To lock all front panel buttons, remove the S3-A jumper (refer to Figure 3-2).

To lock the MENU button only, verify that the S3-B jumper is removed, then install the S3-A and S3-E jumpers, (refer to Table 3-1).

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