Specifications

3-3. CONTROL SWITCHES.
1. Program/Execute. Any change to the programming of the unit must be initiated by pressing
the Program/Execute switch and completed by pressing the Program/Execute switch.
2. Cursor Movement - Horizontal. This switch is mounted so its movement is horizontal
and moves the cursor left or right. It is also used to select the "A"(left) or "B"(right)
channel at the beginning of programming.
3. Vertical Switch. This switch is mounted so its movement is vertical and has two functions:
A) During frequency changes, the vertical movement will raise or lower the
frequency in the direction of the arrows.
B) For other functions such as on/off or compandor disable, the vertical switch
will alternately turn the function on or off regardless of the direction
operated.
3-4. STATUS CHANGES. - To modify the status of a channel:
1. Operate the Program/Execute switch. The display will read:
__________________
_MODIFY A OR B ? _
__________________
2. Select channel A or B by operating the horizontal switch in either the A or B direction.
3. Status of the selected channel will be displayed. For example:
__________________
_A 6.60MHz ON _
__________________
4. By using the horizontal rocker switch the cursor can be moved left or right to either the
ON/OFF position or to any digit of the frequency.
A. If ON/OFF is selected, the status can be modified by operating the vertical switch. This
will alternately turn the channel on or off.
B. If changes are desired in the frequency, move the cursor to the digit that you wish to
modify. By using the vertical switch, that digit can be raised or lowered by the
direction of the arrow. The cursor can then be moved to another digit and the action
repeated until the desired frequency is displayed.
450 Operation Manual Rev A Page 17 8/26/99