Chapter 3:
Operation - Front Panel Controls
User-Programmable Keys
Many of the front-panel keys on the DPS-475/575 are user-programmable; that is,
you can program them to take the user to a menu or specific function of your choice.
On all units, the User 1, User 2, and Hue keys are user-programmable. On units that
do not have audio capability, the Audio In key is also programmable. On units in
which an added option board does not require the Option key to be used, it can be
programmed as well.
Of these keys, only the Hue key has a default function. If the user presses one of the
other keys before it is programmed, the following message appears on the display
panel:
This key has not yet been assigned a function. To program
it, select the desired menu or setting that you wish to assign to
it, using the normal menu controls. Then press and hold this
key for five seconds.
Whether a programmable key already has a function assigned to it or not, it is easy to
reprogram the key. Holding down a programmable key for five seconds will assign to
it whatever menu or option is currently displayed on the display panel.
For example, to assign the User 1 key to adjust the video AGC Bias, select the AGC
Bias option from the Video Setup menu as normal. With the AGC Bias adjustment
screen displayed, press and hold the User 1 key for approximately five seconds. All
LED’s on the unit will then flash once to indicate successful programming. If
programming fails for any reason (for example, if you attempt to program a button to
the Idle Screen), all LED’s on the unit will flash three times quickly. Note that if the
programming fails, any function previously assigned to that key will have been
erased, so the key will have to be reprogrammed.
Programmable keys can be assigned to jump to menus (at a specified point, if desired)
in a similar fashion.
Once the key has been programmed, pressing it will jump to the menu or option
assigned to it. Pressing it again while already at that screen will cycle through the
values (if the key is assigned to an option) or select the active menu choice (if the key
is assigned to a menu).
In our above example, pressing the User 1 key will now take the user to the AGC
Bias adjustment screen. Each additional press of the User 1 key will cycle through the
allowed adjustment values.
Power-Up Keys
Certain special functions of the DPS-475/575 are accessed by holding down specific
front panel keys while turning on the unit.
Force Firmware Download
Holding down the Enter key while turning on the unit will force the unit into
Firmware Download mode.
Under normal circumstances, the unit will automatically enter Firmware Download
mode whenever the Windows-based Uploader software attempts to upload a firmware
upgrade file to the unit. (see Appendix D, “The Uploader Software”). However, if the
21
To Next Page
Loading...