BNC 745 - Manual (Page 8)

Model 745 Digital Delay Generator. November 2013
3- F
RONT
P
ANEL
O
VERVIEW
The Model 745 front panel is composed of several kinds of elements: the user interface which
consists of a keypad and an LCD display that allows the user to program various settings and to
interact with the device in local mode, 4 status LEDs, 5 BNC connectors.
Figure - 1. Front panel
LCD screen
A 2 line x 20 character module displays parameters for programming operations and status
information.
Keypad
A six touch keypad provides access to the configuration menu:
- ▲▼ are used to select the line/function to display. After a press on the ‘OK’ button,
up/down increments/decrements digit at the current cursor location
- ◄► are used to move the cursor position among digits
- Ok sets Sub-Menu and ‘cursor mode’, or if this mode is already set, it stores the current
value and clear the cursor mode. Transition from Menu item to Sub-Menu item.
- Esc clears the cursor mode without storing any value, gets out from the Sub-Menu item or
run/stop a channel pulse generation.
BNC Connectors
One Trigger Input and 4 independent output channels are available. The output voltage is tunable
from 2 to 5V for each output independently and each one has to be terminated in 50Ω.
The input Trigger BNC connector provides a trigger signal operating up to 50 kHz.
Status LED indicators
One status LED by output channel, each LED blinking at the output pulse frequency.
Comment [JL1]:
© Berkeley Nucleonics Corp. 7 Model 745 User Manual