May be subject to change Page 6 of 33Control panelOn the CTS 602 control panel, press:- ESC to return to the previous menu- qp to scroll upwards or downwards through the menus or toadjust the setting of an activated menu option- ENTER to activate a menu option- ENTER to confirm a new menu option setting- OFF to switch off the controls- ON to switch on the controlsFigure 3: CTS 602 control panelThe yellow LED on the front of the control panel indicates the following:Constantly lit: compressor in operationFlashes: system in alarm conditionThe control panel can display 2 lines of text, each containing 8 characters.The upper line consists of explanatory text.The lower line contains the setting or settings associated with the parameter described by theexplanatory text.The text shown on the display remains "lit" as long as the system is connected to the powersupply. It will thus remain lit even if the system is turned off or if the control panel has not beenoperated for some length of time.Using the menusTo change a setting or function, the relevant menu must first be accessed by pressing p or q.To activate the required menu, press ENTER.To change the setting of the required parameter, press and hold ENTER until the value flashes.The setting can then be changed to the required value using pq.To save the new setting, press ENTER.When reading the following menu descriptions, it is a good idea to have access to the control panelor menu overview.If no buttons are pressed for one minute, the controls automatically return to the main menu.If the controls return to the main menu during system configuration, any new data will beautomatically stored if they have been saved by pressing ENTER. It is always possible to continueconfiguring the system by returning to the point reached.