34 ST60 Tridata Instrument Owner’s Manual
4.3 Intermediate calibration
Intermediate calibration enables you to:
• Check the instrument software version.
• Check the instrument status - either YES (master)) or NO (repeater). You can
also change the depth status, as required. This feature is particularly useful in
preventing interference when using another product (e.g. a fishfinder) that
operates at 200 kHz.
• Carry out a calibration run over a measured distance to ensure accurate speed
readings.
To start Intermediate calibration, hold down the
depth and speed keys for
approximately 4 seconds (see
Intermediate calibration
flow chart).
To set the instrument status:
1. Press the
depth key to select the Instrument status screen.
2. Press the
trip and reset keys simultaneously to enter the depth adjust
mode, then press either
trip or reset to set the required status, i.e. either
YES (for master operation) or NO (for repeater operation).
Note:
You must not allocate more than one master depth instrument in any system.
3. Press the trip and reset keys simultaneously again, to leave the adjust
mode.
81040_5.book Page 34 Monday, February 20, 2006 2:39 PM
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