The extendable antenna seems a little flimsy, and it sometimes made noises when it moved around during a call. Even when locked in a full upright position, the antenna had a bit too much play to remain truly solid. The phone's menu structure is great, but it lacks simple shortcuts for getting deep into those menus quickly. Getting to many menu items in the Sanyo requires repeated pressing of the cursor down key and the OK key. The Nokia 6100 models and the Qualcomm Thin Phone allow quick access to all menus using numeric shortcuts, which would be a welcome addition to the SCP-4000.
Audio volume is adjusted using two keys at the bottom of the keypad.
I found these extremely awkward to reach during a call, and I usually had to use two hands. To make matters worse, you had to press one of these buttons once to activate the volume menu, and then press it a second time to make a change to the volume. Even the 6185 and the 6188 are easier to adjust, even though they also require the pressing of keys on the main pad. The Nokia 6190 and the Qualcomm Thin Phone are light years ahead of the Sanyo, in that they both have side-mounted volume controls. Overall however, I had no real problem with the menu layout in the Sanyo.