a-2) Control panel button testIn this test, the operator presses the button that corresponds to the displayed character.When the button is pressed, the character disappears.The table of characters and buttons is as shown below.Check that all of the characters disappear when the appropriate buttons are pressed.Character Button Character Button1 1(Numeric button) M Reception mode button2 2(Numeric button) R Resolution button3 3(Numeric button) F Function button4 4(Numeric button) L Í (L button)5 5(Numeric button) R Î (R button)6 6(Numeric button) T TAM7 7(Numeric button) D DEL button8 8(Numeric button) R1 REC button9 9(Numeric button) P PLAY* *(Numeric button) R2 Redial button0 0(Numeric button) V U Can Talk# #(Numeric button) C Speed diala 01(Once touch dial button) O Hookb 02(Once touch dial button) S Start/Copy buttonc 03(Once touch dial button)d 04(Once touch dial button)e 05(Once touch dial button)f 06(Once touch dial button)g 07(Once touch dial button)h 08(Once touch dial button)I 09(Once touch dial button)1-43