Appendix E: LED and Beeper Indications
The Base Station LED indicators and the scanner’s LEDs and beeper are used to announce system status and perform other useful signals.
The tables below list the default function of each of the various indicators.
NOTE
Some LED and beeper indications can be disabled or modified via scanner programming. The tables indicate the default behavior of the indicators, with shaded rows representing features that are programmable.
Table 9. Scanner GREEN LED Functions
LED
INDICATION
Disable
Indication
Good Read
Indication
DURATION
100ms on, 900 ms off
500 ms on
Program Mode
Indication
500 ms on, 500 ms off
Continuous flashing
COMMENT
Indicates the scanner has been disabled.
Indicates a bar code has been read and decoded.
Indicates the scanner is in Programming Mode.
Field Replaceable Unit (FRU)
Indications
Varies. Consists of a long flash followed by multiple short flashes.
Enables service technicians to identify Field Replaceable Unit (FRU) errors.
Low Battery
Indication
Two flashes at 100 ms on, 350 ms off.
Occurs at trigger pull before the laser is enabled. Indicates the battery is in need of recharging.
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LED
INDICATION
DURATION
Laser on indication
On Steady
Table 10. Scanner YELLOW LED Functions
COMMENT
The yellow LED illuminates whenever the laser is on.
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PowerScan™ RF Scanner
Table 11. Scanner BEEPER Functions
SPEAKER
INDICATION
Scanner Not
Currently
Linked
DURATION COMMENT
Six beeps consisting of 20 ms on, 20 ms off
Indicates a bar code was read before the scanner was linked to a Base Station.
100 ms on (short)
Good Read
Beep
250 ms on (medium)
500 ms on (long)
Three programmable functions are available. This indicates a bar code has been read and decoded.
Partial Read
Bip
20 ms on
100 ms on (short)
Base Station
Acknowledgement Beep
250 ms on (medium)
500 ms on (long)
A very short beep ("bip") is sounded when one bar code of a two-bar code pair has been successfully decoded.
Indicates a successful bar code transmission to the host (configurable), a successful change of channel, or a successful transmission of a new configuration to the host.
Transmission
Error Beep
High, then low, then high, then low.
Indicates unsuccessful transmission to the host.
Link Beep
Unlink Beep
Low, then medium, then high.
Indicates a scanner has been successfully linked to a base station.
High, then medium, then low.
Indicates a scanner has been successfully unlinked from a base station.
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SPEAKER
INDICATION
DURATION COMMENT
Field Replaceable Unit (FRU)
Indications
Varies. Consists of a long tone followed by multiple short tones.
Enables service technicians to identify Field Replaceable Unit (FRU) errors.
Table 12. Base Station LED Functions
LED
INDICATION
DURATION COMMENT
Lit for variable time a Indicates communications activity to or from the Base
Station.
TX/RX (Transmit/Receive)
Continuous rapid flashing at power-up Indicates a broken radio.
Varies. Consists of a long flash followed by multiple short flashes.
Enables service technicians to identify Field Replaceable Unit (FRU) errors.
Charge
(Battery)
Power
Continuous flashing
Lit Constantly
Not Lit
Lit Constantly
When a scanner is nested in the station, this indicates its battery is being quick charged.
When a scanner is nested in the station, this indicates its battery is at or near full charge.
A scanner is not present or incorrectly inserted into the station. It can also mean the battery is below 0°C (too cold for charge)
Indicates that power is on.
a. The LED remains on while the unit is actively processing code which requires a TX/RX to occur. The duration of the LED is dependent upon the length of the message.
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PowerScan™ RF Scanner
