Caliber HFB 300 Manual - page 9
4. MAINTENANCE
HFB 300 is well-designed communications devices, careful maintenance and proper use will extend
the product life and keep their elite performance in delivering voice. Following maintenance roce-
dures may be helpful to you.
• Always turn off power and keep your device in a safe place when it is not in use
• Keep the device dry, away from water, precipitation, humidity, moisture, and various liquids that
may corrode electronic circuits. If your device gets wet, turn it off immediately and wait until
the device gets dry completely before using it
• Keep the device away from dusty and dirty places. Otherwise, the mechanic and electronic
parts could be damaged
• Do not store the device in high temperatures (above 30
o
C) or in direct sunlight.
Extreme high temperature could degrade performance, reduce battery lifetime, and wrap or
melt the certain plastics.
• Do not store the device in too cold place (under 5
o
C ). Moisture could form inside
the device when you take it to a warm place.This could damage the internal electronic circuits.
• Avoid dropping, knocking, and shaking the device.The mechanical parts and the internal
electronic circuits could be broken.
• Avoid using hash chemicals, cleaning solvents, and any other strong detergent to clean the
device.You may use a clean and slightly damp cloth to clean the device
• Always take to device to the nearest authorized service facility for repairing if it is
malfunctioning. Disassembling, modifying, and replacing components yourself could degrade
product performance, cause damages, and terminate warranty
Table 4:Transfer Functions
Table 5: Low Power Indication
Table 6: Advanced Call Functions
ENGLISH
15
FUNCTION
CURRENT STATUS
OPERATION
HANDSFREE INDICATOR
AUDIO TONE
LED INDICATOR
HF
HANDSET
Call transfer
(handsfree to
handset)
Call transfer
(handset to
handsfree)
Talk
Talk
Long press K2
Key tone
LED Pattern 2
Talk
Talk
Long press K2
Key tone
LED Pattern 1
FUNCTION
CURRENT STATUS
OPERATION
HANDSFREE INDICATOR
AUDIO TONE
LED INDICATOR
HF
HANDSET
Low power
warning
Except power
off
Beep every 20 seconds
LED Pattern 4
FUNCTION
CURRENT STATUS
OPERATION
HANDSFREE INDICATOR
AUDIO TONE
LED INDICATOR
HF
HANDSET
Held active
call and accept
incoming call
Talk
End active call
and answer
new call
Talk
Toggle held call
and active call
End active call
and accept
hold call
Conference
Talk
Call on hold
Long press K4
LED Pattern 2
Talk
Talk
Call on hold
Long press K3
LED Pattern 2
Call Waiting
Short press K2
LED Pattern 2
Call Waiting
Long press K3
LED Pattern 2
Call on hold
Short press K2
LED Pattern 2
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