The manual's pipe symbol (|) means OR - e.g. CC|CURR:HIGH means use either "CC" or "CURR:HIGH" as the command. The combined form "CC CURR:HIGH" was not being parsed correctly by the device for queries. Now using the second form (CURR:HIGH, RES:HIGH, VOLT:HIGH) which works for both set and query operations. Verified readback works: set 1A -> reads 0.9999A. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>