9
DBm, dB
• Press the F3 button while the
Ο
indicates row M4 toggles
between dBm and dB mode.
• In dB mode, the measurement value is displayed in the
upper right display, and the dB value is displayed in the
main display.
• In dBm mode, the dBm load is displayed in the upper right
display.
• Press and hold the F3 button for 2 seconds to exit dBm/dB
mode.
Send
• Press the F4 button while the
Ο
indicates row M4 to acti-
vate the data acquisition and send data through the optical
RS232 connection.
• The indicator appears in the display while data is
being sent.
Function Buttons
The meter beeps once for every valid key-press.
Light Button
• The light button is used to turn the backlight on or off.
• Disabled in Recall mode.
BAR Button
• The bar button scrolls through the types of bargraph dis-
plays.
A. Zero at left
B. Zero at left, graph zoomed x10, displayed
C. Bar off
• This button is disabled in Recall mode.
RS232
zoom
ND 2352-1 61-633 630 Series Ins 12/22/04 9:49 AM Page 9
