Getting Started 1
U1253B User’s and Service Guide 27
The terminals at a glance
Figure 1-8 Connector terminals
Hz (Frequency counter)
(Only applicable for Divide-1 input)
Frequency (Hz) Pulse width (ms)
Pulse width (ms) Frequency (Hz)
Duty cycle (%)
Table 1-9 Selecting display with the Hz button (continued)
Rotary switch position (Function) Primary display Secondary display
To avoid damaging the multimeter, do not exceed the rated input limit.