8 U1253B User’s and Service Guide
1 Getting Started Tutorial
The keypad at a glance
The operation of each key is explained in Table 1- 2 below.
Pressing a key displays a related symbol and emits a sound
on the beeper. Turning the rotary switch to another position
resets the current operation of the key. Figure 1- 4 shows
the keypad of the U1253B.
Figure 1-4 U1253B keypad