USER MANUAL : CDS552 CIRRUS LOOP LOGGER
DOCUMENT NAME
CLASSIFICATION
DATE
PAGE
CDS552 CIRRUS LOOP LOGGER USER
MANUAL
CONFIDENTIAL
15-JUL-21
7 OF 29
1.6
LED and button functions
On the front of the logger, there are 2 LED's and a touch sensitive 'SELECT' button. Internally on the reverse side of the lid
is the Bluetooth reset button.
1.6.1
LED functions
Blue LED - Bluetooth status
Flashing indicates the Bluetooth is ready to receive an incoming connection
Solid light indicates and active connection
Red LED - Logger status
Solid - Logger is in Command Mode (normally accompanied by an active Bluetooth connection)
Fast flash - Logger is currently initiating a connection to the server
Slow Flash - Connection has been established to the server
1.6.2
Pushbutton Functions
SELECT touch button - Please note, this button is touch sensitive in order to maintain the waterproof status of the housing.
Single short push will toggle the Bluetooth radio on and off.
A push of more than 3 seconds will result in the logger establishing a connection to the server and uploading its
datalog.
BLUETOOTH RESET button - This button is used to reset the Bluetooth interface in the event of a lost password or generally
configuration loss.
The Bluetooth interface of this logger can be configured to have a access password which will limit external access to only
those issued the password. Should this password get lost, the logger can be opened and the Bluetooth interface reset to
disable the security. It is advisable to then connect to the logger again and setup a new password. This is explained later in
this document.