According to the YOOYIST operating instructions and similar 8-channel model manuals , the interface is designed for high scannability:
The is a professional, 6-channel digital kitchen timer designed for commercial restaurant environments . It is often used to manage multiple cooking tasks, such as tracking different fry baskets or oven rotations simultaneously. Key Features & Design cal6b calculagraph manual
It supports a timing range from 1 minute to 99 hours . Operators can switch between Hour:Minute (HM) and Minute:Second (MS) modes by long-pressing the increase button while connected to power until "NS" appears, then selecting the desired mode. According to the YOOYIST operating instructions and similar
You can also adjust the button and alarm volume by pressing the arrow keys while the timer is not running. Key Specifications Material Stainless Steel Input Voltage Power Consumption Dimensions 9 x 2 x 5 inches Channels 6 independent countdown timers Operating Tips cal6b calculagraph manual