400W Series Installation Manual Page 5-1190-00356-02 Rev. G5. POST INSTALLATION CONFIGURATION & CHECKOUT PROCEDURESOnce the 400W Series unit has been installed, configure the unit for the particular installation and thencomplete the checkout procedures herein to verify proper operation. The steps that are not applicable to aparticular installation may be skipped. A checkout log is included in Table 5-1 at the end of this sectionand is to be filled out during the checkout procedures. The completed checkout log sheet should bemaintained with the aircraft permanent records.5.1 Mounting and Wiring CheckVerify that all cables are properly secured and shields are connected as the install drawings indicate.Installation may require that you check the movement of the aircraft controls to verify that there is nointerference.5.2 Connector Engagement CheckPrior to the configuration and checkout of the 400W Series unit the connector engagement should bechecked as described below:1. Turn on the 400W Series unit, and turn on the avionics master switch (if applicable).2. Place the 400W Series unit in the rack and engage the pawl mechanism.3. Turn the Allen screw of the locking pawl slowly clockwise until the 400W Series unit just comeson. A “T” handle makes the turns easy to count, but do not over-tighten.4. Count the number of complete revolutions you can turn the Allen screw until it can not turn anymore (but take care not to over-tighten). Three turns is the minimum for proper installation. Iffewer than three turns are possible, the mounting rack should be moved aft (toward the pilot) suchthat the aircraft panel does not obstruct the unit from engaging in the rack.5.3 Configuration Mode OperationsWith power applied to the aviation rack and the 400W Series unit turned off, press and hold the ENT keyand turn the unit on. Release the ENT key when the display activates. After the Data Base andInstrument Panel Self-test pages, the first page displayed is the MAIN ARINC 429 CONFIG page. Whilein Configuration Mode, pages can be selected by ensuring the cursor is off and rotating the small rightknob.To change data on the displayed Configuration Page, press the small right knob (CRSR) to turn on thecursor. Rotate the large right knob to change between data fields. Rotate the small right knob to change afield that the cursor is on. Once you have made the desired selection, press the ENT key to accept theentry.The Configuration Pages described in the following sections are in the order found when rotating the rightsmall knob clockwise starting at the MAIN ARINC 429 CONFIG page.NOTEThe configuration pages shown here reflect main software version 3.20. Somedifferences in operation may be observed when comparing the information in this manualto later software versions. All configuration pages shown apply to the GNS 430W, butnot all apply to the GPS 400W or GNC 420W. Those pages and fields that apply only tocertain 400W Series units are denoted as such.NOTEIf any changes made in configuration mode are done on ARINC 429 or RS-232 pages,the unit must be reset for the changes to take effect. This is accomplished by poweringthe unit off and then back on.
