User Guide

Operating Instructions αlpha-RES1000

NOTE: To view (not change) electrode condition, push ENTER key when the security code reads

“000”.

5.2.1.1 Clearing Calibration security code from display

The calibration security code automatically resets from “11” to “000” after returning to Measurement

mode.

5.2.2 How to enter and change parameters in Advanced Setup mode

1) Press ENTER key once. Upper display shows “000” and lower display shows “S.Cd” to prompt for

Advanced Setup security code.

2) Press ∆ or ∇ keys to scroll display to Setup security code “22”. NOTE: Pressing ENTER key at a

value other than “22” causes the controller to revert to Measurement mode.

3) Press ENTER key.

4) Upper display reads “tc”. You are now in the Advanced Setup mode. See Section 7 for complete

instructions. To return to Measurement mode, press ∆ and ∇ keys simultaneously (escape).

NOTE: If to view (not change) set up parameters, push ENTER key when security code reads “000”.

5.2.2.1 Clearing Advanced Setup security code from display

Having entered the security code and returned to the Measurement mode, security code “22” still

appears on display whenever ENTER key is pressed. To conceal the security code, it must be manually

reset. To clear Advanced Setup security code from display:

1) Press ENTER key in Measurement mode.

2) Set to any security code (not 11 or 22) and complete by pressing ENTER.

NOTE: When you enter the Calibration mode with code “11” or Advanced Setup mode with security

code “22”, unit automatically enters into HOLD mode until you return back to Measurement mode.

The HOLD annunciator is displayed at the upper left of the display. While on HOLD, current

(0/4..20mA) output is frozen and set point relays are deactivated.