Janelle really helped me out with any problem i had. The service was above what i expected considering that its an online chat. Quick and responsive to the problem. deffenitly will contact Janelle next time i need help.
...System Control Unit control Up to 6 EL2 System Meters. Control Unit allows for one-touch access to memory recording and replay, warning setting, and peak hold functions. This unit is NEEDED with all the apexi EL series...