 | Center Freq The Center Freq submenu key is used to set the receiver center frequency to the desired value. Enter the frequency by using the keypad, the arrow keys, or the rotary knob. When entering a frequency by using the keypad, the submenu key labels change to GHz, MHz, kHz, and Hz. Press the appropriate units submenu key to finalize the data input. Pressing the Enter key has the same affect as pressing the MHz submenu key. Signal Standard Press this submenu key to open the Signal Standards list box. Use the Up/Down arrow keys or the rotary knob to highlight a signal standard, and press Enter to select. When a signal standard is selected, the center frequency and span are automatically tuned for the first channel of the selected standard. Other settings, such as channel spacing and integration bandwidth, are also automatically entered. The applicable signal standards (for 10 MHz BW only) are U‑NII middle, U‑NII upper, CEPT band B, and CEPT band C. Channel Press this submenu key and use the Up/Down arrow keys, the keypad, or the rotary knob to select a channel number for the selected Signal Standard. The instrument measurement display is automatically tuned to the center frequency of the selected channel. The listed channels are from 0 to 199. Set CF to Closest Channel This submenu key moves the current Center Frequency to the closest frequency that matches a channel number in the current Signal Standard. Decrement Channel Press this submenu key to decrease the selected channel number by one channel step size for the selected standard. Increment Channel Press this submenu key to increase the selected channel number by one channel step size for the selected standard. |