Customizing OAT and SNA timer Note:  Before you customize OAT and SNA timer with OSA/AF on the HMC, see  Open  Systems Adapter/Support Facility on the Hardware Management Console,  SC14-7580.  This publication is available for download from IBM Resource Link. To customize OAT and SNA time for OSE channel, complete the following steps: 1. Start OSA Advanced facilities.  2. The OSA Advanced Facilities window opens (see Figure 6-6). Select the OSE channel  PCHID that you want to customize. In this example, we selected  PCHID 0174 . Then,  select  Select Action  Card specific advanced facilities , as shown in Figure 6-6.  Figure 6-6 Entering OSA/SF on the HMC 3. The Advanced Facilities window opens (see Figure 6-7). To edit OAT and SNA timer  entries, select  Panel configuration options  and click  OK . Figure 6-7 OSA/SF on the HMC Panel configuration options Chapter 6. Configuring network features  129