ADJ-13SECTION 3 ADJUSTMENTS < RZ31K/RS30K>1. 8. LD unit runtime resetWhen replacing the LD unit, the LD unit runtime should be reset by using the service tool.1.8.1. Equipment to be used1. Computer : Use it for runtime reset with service tool.2. Communication cable :Serial terminal connection D-sub 9pin (male/female RS-232C straight)LAN terminal connection LAN cable (When connecting directly, use a cross cable)3. Service Software : [LDRestTool.exe] Download from the projector service Web (PASS).1. 8. 2. Connection Preparations1. Check the settings of the projector.Serial terminal connection1) The [INPUT SELECT] of sub menu [RS-232C] must be set according to the connection method.2) Check the RS-232C settings (ID, Baudrate and Parity) and take a note.LAN terminal connection1) The [DIGITAL LINK MODE] of sub menu [NETWORK], please select to [AUTO] or [ETHERNET].2) Check the network IP address of the projector and take a note.3) Set the IP address of computer to approximate value of projector IP address.[Note] • If you have changed the each menu settings, please return settings of the original (customers) after work.2. Connect the projector and the PC by using a communication cable.Serial terminal connectionComputer ProjectorSerial cable (RS-232C)SERIAL INLAN terminal connectionComputer ProjectorLAN cable (straight) LAN cable (straight)LAN1. 8. 3. Reset procedure1. Switch the projector to "Normal-Standby" mode (STANDBY/ON indicator is lighting in red).2. Start up service software (LDRestTool.exe) with a computer.