How do I activate Punch Through Volume to control volume on a second device?
Press the desired device mode key (e.g. TV), press and hold the VOL+ key, then press the second desired device mode key (e.g. SAT), and release VOL+. The indicator flashes once if the setting is activated successfully, and all other commands remain unaffected.
From the official Hama Hama Universal 8 IN 1 Remote Control User Manual And Code List manual, page 9
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