Honeywell VA201T - Searchpoint Optima Plus with SHC-1 Handheld Interrogator; Functional Response;Bump test

Calibration Handbook
109Searchpoint Optima Plus
WARNING
When the XNX transmitter is placed in Inhibit Mode, alarms are silenced. This will prevent an actual gas event
from being reported. Inhibit Mode must be limited to testing and maintenance only. Exit Inhibit Mode after
testing or maintenance activities.
Searchpoint Optima Plus with SHC-1 Handheld Interrogator
Equipment Required:
s Gassing Cover
s Instrument Air (if a zero in ambient air cannot be guaranteed)
s Calibration Span Gas (i.e. 2.5% V/V methane for 50% LEL output or 2.2% V/V for 50% UEG)
s SHC-1 Handheld Interrogator
1. Connect SHC1 Handheld Interrogator to Optima via DX100(M) Junction Box via its IS socket
ESC
Calibrator
Type SHC1
ESC
LCD Display
Pushbuttons
Press  and hold 3 sec to power
Press  and esc together to power off
Unit powers off automatically after 10 min
2. Apply power to transmitter and receiver
Functional Response/Bump test:
3. Press and hold
(Enter) key on Interrogator keypad for two seconds to switch unit on
4. Interrogator displays start-up message for approximately three seconds:
Z - SHC1 EXCEL
Interrogator 4V0
5. Check type of connected detector shown on top line of message. isplay shows Excel or Optima+ or