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Operating the Transceivers
The 4-digit number is a relative intensity indicator. 1024 represents the brightest light
the sensor can measure; 0000, the dimmest.
2.3.5
2.3.6
2.3.6.1
FREQ HOPPER
SYSTEM SETUP
PWR DWN
hops among preset channels
Note:
this demonstration requires 2 transceivers
P - accesses menu items
L - goes to power-up display (ATMEL SMARTRF...)
U,D - scrolls through menu (DIAGNOSTICS, LINK QUALITY, ...)
*WAIT* - ready to begin demo
L - goes to FREQ HOPPER
R - goes to M HOP
M HOP - sets single-event or continuous mode
P - transmits in single-event mode
L - returns to FREQ HOPPER menu
U - transmits in continuous mode
HOW TO EXECUTE THE “FREQ HOPPER” FEATURE:
SINGLE-EVENT mode - at the M HOP screen, pressing the joystick sends a packet on 3
of the 5 pseudo-randomly-selected pre-set channels. The display shows M HOP , AVR
logo , and CH-x . CH-x displays the channels on which it received a valid return packet
from the REMOTE. Conversely, "----" indicates the data on that channel was not valid.
During this mode, the REMOTE displays a 4-digit number if it receives at least one
good packet of the three.
CONTINUOUS mode - at the M HOP screen, moving the joystick up (until the snow-
flake is visible) continuously sends packets as the MASTER hops among the 5 pre-set
channels. The display shows M HOP , AVR logo , snowflake , and CH-x . During this
mode, the REMOTE displays a 4-digit number if it receives at least one good packet of
the three.
In this demo, the REMOTE scans the 5 pre-set hop channels, goes to sleep, then
repeats. These pre-set hop channels are not to be confused with the channel number-
ing in other user-selectable menus.
contains ten “house-keeping” functions
sub-menus: PWR DWN, CHANNEL ADJUST, UNIT ID ADR, SET DATE/TIME, PWR
LVL, LCD SEG ON, A/D TST, CLK OUT, TIME, REMOVE SELECT
P - accesses sub-menus
L - goes to power-up display (ATMEL SMARTRF...)
U,D - scrolls through menu (DIAGNOSTICS, LINK QUALITY, ...)
Puts transceiver in two different sleep modes
ATAB542x-x-WB User Guide
2-11
5219A–WIRE–04/07
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