: Press the [VFO/MR] button to toggle between direct frequency entry and saved channels.
The user manual outlines several critical operational modes that define the device's utility: Weierwei VEV-3288S User Manual | PDF - Scribd Weierwei Vev-3288s Manual
Because the manual can be confusing, hobbyists often rely on these standard keypad shortcuts: RadioReference.com Forums Frequency Step to toggle between 5.0, 12.5, and 25.0 kHz steps. Squelch Adjustment : Use the up/down keys on the lower right side of the unit. Memory Storage to store the current frequency into a memory channel. Power Level : Press the [VFO/MR] button to toggle between
The keypad allows for quick adjustments without diving deep into the menu: [A] + [D/A]: Changes the frequency step (5.0, 12.5, 25.0 kHz). Weierwei Vev-3288s Manual