Measuring Of Ber (Bit Error Rate) (Function Code 196); Version Information On Cordless Handset (Function Code 197) - Brother MFC990CW Service Manual

9.2.2.4 Measuring of BER (Bit Error Rate) (Function code 196)

Function
This function is used to measure the BER (bit error rate) in data received through the wireless
communications link between the base unit (cordless PCB in the machine) and the cordless
handset.
Operating Procedure
(1) On the cordless handset, press the Menu/OK, *, #, 1, 9, 6, and # keys in this order in the
standby state.
The following appears on the handset's LCD.
Rx Quality
C# S# P# G##
C# S# P# G##
Where,
C: Count of CRC errors per 100 frames
S: Count of SYNC errors per 100 frames
P: Count of Parity errors per 100 frames
G: Count of LowGain selected per 100 frames
NOTE: For C, S, and P, the lower value, the higher RF sensitivity; for G, the higher value,
the higher sensitivity.
(2) Bring the cordless handset into contact with the antenna on the base unit (in the machine)
and check for a while that the measured values change.
The measured values come to the best ones and stay on. If not, the wireless communication
is abnormal.
(3) To return to the standby state, press the Off key twice.

9.2.2.5 Version Information on Cordless Handset (Function code 197)

Function
This function is used to check the version information on the cordless handset.
Operating Procedure
(1) On the cordless handset, press the Menu/OK, *, #, 1, 9, 7, and # keys in this order in the
standby state.
The following appears on the handset's LCD.
PT: 3594 3108
FW: 4567
CP: 15678901
Where,
PT indicates the 8-digit compilation date of the internal host. The higher 4 digits are fixed
to 3594; the lower indicates the date (in this example, 3108 means August 31).
FW indicates the 4-digit firmware version.
CP indicates the 8-digit CP version or revision.
(2) To return to the standby state, press the Off key.
(BER in base unit)
(BER in cordless handset)
9-77
Max. = 9 Best = 0
Max. = 9 Best = 0
Max. = 9 Best = 0
Max. = 99 Best = 99
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