Introduction
3
1. Speed Keys Activates the command displayed
above it.
2. On Key Turns the DPM on or off.
3. +/- Key Toggles between positive and
negative numbers.
4. Enter Key Completes data entry.
5. Escape Key Aborts data entry without accepting
changes.
6. Backlight Key Turns the backlight on momentarily.
7. Offset Key Enter offset values in dB.
8. Numeric Keys Input numeric values.
9. Sensor Port Connection for power sensors.
10. RS-232 Port Connection for an optional PC 9-pin
RS-232 (DB9) connector, compatible
with PC serial port. 9600 baud, 8
data bits, 1 stop bit, and no parity.
11. LCD Display Backlit liquid crystal display.
12. External DC
Connector
Connect either the ac adapter or the
cigarette lighter adapter. External
supplies power the unit and charge
the internal battery.