Bird 4421 RF Power Meter
26
Setup
DIP Switch
Set the DIP switches according to application needs and the requirements of
the controller. Available settings and factory defaults are listed in Figure 12.
Note:
There are several button styles on DIP switches (slide, rocker,
lever). Examine the DIP switch to determine the ON and OFF positions.
Figure 12 RS-232 Interface Default DIP Switch Settings
Note:
If you change switch settings when the unit is ON, the new
settings will not become effective unitl you turn power OFF and then
back ON.
Switch
Function
Description
1
Stop Bit
ON 1 Stop Bit
OFF2 Stop Bits
*
* Default factory setting
2
Command
Mode
ON ENT command needed before sending reading to
controller*
OFFTrigger automatically sends reading
Reading also sent when front panel push button pressed
3
Word Length
ON 8 Data Bits*
OFF7 Data Bits
4,5
Parity
(4) (5)
ON ON
ON OFF
OFFON
OFFOFF
No Parity*
Odd Parity
Even Parity
Mark Parity
6,7,8
Baud Rate
(6) (7) (8)
ON ON
ON
ON OFFON
ON OFFOFF
OFFON ON
OFFON OFF
OFFOFFON
OFFOFFOFF
Auto Baud
†
300
600
1200
2400*
4800
9600
† For more information see “Auto Baud”
2
1
4
3
6
5
8
7
ON
