FORM NO. 56041516 - ConvertaMAX ™ 28/34, I-MAX ™ 28HD/34HD, BA 750/850 - 21DESCRIPTION OF THE BATTERY CONDITION INDICATORSThe battery condition indicators will give an indication of the state of charge of the batteries. The battery condition monitor will retain the state-of-charge even ifthe key has been turned off. The state-of-charge indication is reset to full charge when the batteries have been recharged. It is also possible to choose betweentwo different low voltage thresholds depending on whether maintenance free or standard batteries are being used (have qualified service engineer perform thisselection). NOTE: The following percentages are based on useable battery capacity not total battery capacity. Therefore, 100% discharge = 80% of total batterycapacity for standard wet cell batteries or 70% of total battery capacity for maintenance free batteries.Green Indicator = full charge down to 50% dischargeGreen & Yellow Indicator = 50% discharge down to 75% dischargeYellow Indicator = 75% discharge down to 90% dischargeYellow & Red Indicator = 90% discharge down to 95% dischargeRed Indicator = 95% discharge down to 99% dischargeFlashing Red Indicator = 100% discharge - scrub system will automatically shut downDESCRIPTION OF HOURMETER / STATUS DISPLAYThe 5 character display in the upper right corner of the control panel is primarily used as a display for the hourmeter function. This display is also used to displaythe following information depending upon which mode the control is in:• Error codes*• Brush pressure adjustment settings for normal and heavy scrub mode (fixed and adjustable)*• Display of control system default parameters*• Recovery tank FULL indicator** NOTE: Have a qualified service engineer reference the Service Manual for explanations about the error code descriptions and scrub system control defaultparameter changes. A brief description of error codes can be found at the back of this manual.