Clear-Com PTX-3 - Manual (Page 14)

Vitec Group Communications
PTX-3 UHF Digital Hybrid IFB Transmitter
1 - 8
In XMIT mode, it is not possible to change the operating frequency.
In TUNE mode, the Up and Down buttons may be used to select a new
frequency.
If the TUNING mode is set to NORMAL, the Up and Down buttons
navigate in 100 kHz increments, and MENU+Up and MENU+Down
move 16 channels at a time. In any of the various group tuning modes,
the currently selected group identifier is displayed to the left of the hex
code, and the Up and Down buttons navigate among the frequencies
in the group. In factory group tuning modes A thru D, MENU+Up and
MENU+Down jump to the highest and lowest frequencies in the group.
In user group tuning modes U and V, MENU+Up and MENU+Down
permit access to frequencies not currently in the group. Pressing and
holding the Up or Down button scrolls quickly through the entire range.
AUDIO INPUT GAIN WINDOW
Pressing the MENU button once from the Frequency window
navigates to the Audio Input Gain window. This window greatly
resembles the Main window, with the exception that the current audio
input gain setting is displayed in the upper left corner. The Up and
Down buttons may be used to alter the setting while reading the
realtime audio meter to determine what setting works best.
Figure 1-7: Input Gain Window
The gain range is -18 dB to +24 dB with 0 dB nominal center. The
reference for this control can be changed with the rear panel MODE
switches. See the Installation and Operation section for more
information on the MODE switches.
SETUP WINDOW
Pressing the MENU button once from the Audio Input Gain window
navigates to the Setup window. This window contains a menu which
permits access to various setup screens.